px] ♪ anchor: this week "global300e island which is also a popular destination for cruise ships. how does that work? in kenya, the outlk is bleak for many young people. but now some comic book heroes are comi to the reue! annew technogies are ming us question one of our most important senses. can we still trust our eyes? we all have powerful.in our hwe process images 60,000 timesy

more quickly than we do text. they arouse our emotions. they can move us, make us laugh, feel happy or sad. but images can also be deceptive -- and they can be manipulated. now, even moving images can be altered -- making it possible to creatextremely authentic-looking "fake news" videos. fake trump: i've decided to resign from the office of the president. i've decided to resign from the office of the president. reporter: the next generation of fake news. on the left, trump's face, but his facial eression d words are actually being generated by an actor. leading animation software developers like hao li are busy perfecting the technology behind such high-resolution facial mapping. this customized photo booth utilizes 14,00l.e.d. ligs to crte these hyper-realistic

images. hao: here you can see cookie's screwed-up face that we just photographed. and you can see here, it's all rendered in 3-d. and what's really effective about this device is that it even shows the pores. we can zoom in here and see all the lines on his face. reporter: hao li's team of developers aren't interested in creating fake news. they're focused on creating new communication tools. their aim is to make it possible for anyone to create three-dimensional avatars for use in various applications. for instance, in the film industry. hao: i could generate a new video where my features are mapped onto someone else's. and of course i could also morph my face onto theirs, so i would actually look like them.

reporter: specialized software creates a template, which captures facial expressions in 3-d. this mask can then be manipulated as needed. it's even possible to use regular photos. however, there's no way to control how people may use it. hao: luckily, it hasn't been abused much to create fake news, but i have no doubt that will happen. there's already a lot of software that peop are uploading to the internet, which people can use to map the face of one person onto someone else's. so the possibility already exists to generate videos of people doing things that haven't happened in reality. reporter: scientistsn germany are alsocrutinizinthe face. a group of researchers from the fraunhofer institute for integrated circuits are teaching computers read human otions.

while technology advances open up possibilities, they also give rise to unintended developments. jens-uwe: of course, first and foremost, you have to ask how these technologies are going to be applied. you have to set clear boundaries and establish rules that address what is permissible ethically and legally. so yes, we give a lot of consideration to the ethical, legal and social impact of our research. reporter: jens-uwe garbas and his team are working with programs similar to those in california. they hope to develop intelligent systems, which can detect, for example, when nursing home residents who can't speak are in pain. but other researchers demonstrate how this technology can be used for less benign purposes. by lip-syncing and superimposing their own facial expressions in real time, they're able to turn famous politicians into their puppets. with additional voice mimicking software, you could make it seem as if vladimir putin or donald

trump were declaring world war iii. since people tend to trust videos, that could lead to horrific consequences. if we can doctor them at will, it'll be harder to tell what's real and what's not. jens-uwe: it's important for us to research these subjects, in particular here in germany and europe, so we can better understand how suctechnologies work. this will allow us to predict what might be possible in the future. if we don't, it'll be left in the hands of major corporations, like google and facebook. reporter: the potential dangers are already being acted upon. developers are devising software to detect whether videos are fake or not. hao: if videos go viral in the internet, you have to be very careful. the most important thing is that people understand what is possible now.

reporter: for better or worse, experts say that these technologies will be a part of everyday life over the next decade. in the near future we won't be able to say that "seeing is believing." fake trump: nobody told me it would be this difficult to be president. anchor: manipulated videos spread like wildfire on social media networks. authenticity is the currency of our time. so trust us -- and follow us -- on dw global society! manyhildren unr 18 lose e or me parents e to war disease, onatural saster accordg to unif, in 15 there were almost 140 million orphans worldwide. countless iraqi children witnessed horrific events during the bitt fighting d siege of the city of mosul.

many have been left physically and emotionally traumatized. they've lost their parents and are now completely dependent on aid. reporter: mornings are the highlight of sukina mohammed's day. the children greet her with huge hugs. they're playful and happy now, but they share a sad past. these children were orphaned during the islamic state militant group's reign of terror. iraqi special forces recovered them from the rubble in mosul. this orphanage is now their home. here, they're safe and can express their hopes. sabah: i want to work at a company. amwai: school principal. amnih: i want to study at a university. i.s. wouldn't allow education for girls. reporter: sukina mohammed wants to give these children a chance to flourish. but the head of the orphanage says money and resources are a constant issue.

sukina: i am so sad that i can't really help them. i go to the government again and again and ask them for books and helpers. i beg them to make improvements and decisions. but nothing happens. reporter: this leaves children like adem in the lurch. the toddler was conceived when his father, an i.s. militant, raped his mother, a yazidi. women from the kurdish religious minority were systematically subjected to kidnapping and sexual assault under i.s. adem's mother has since returned to her husband and their three children, leaving adem here. sukina: his mother is yazidi. her religion forbids her to raise the children of muslims. that's why she gave her son to the orphanage -- and saved his life. reporter: the militants tore apart families in mosul. shi'ite muslim children like

ramira and ali were taken from their parents and given to i.s. supporters. after the city was freed, their uncle found them here at the orphanage. now he wants to raise them. but years of brainwashing have left their mark. faisal: they were taught what i.s. believes. now ali hates iraqi police and soldiers. he sings i.s. songs. its ideology has shaped his thoughts. reporter: islamic state didn't just leave behind destruction in mosul. they sowed hatred in people's hearts. i.s. snipers even used children as bait. when iraqi soldiers came to rescue the children, they were ambushed. hamudi was used this way. he was dragged out of a

firefight by a dog as iraqi special forces closed in. the baby survived, but lost his arm. he's just eight months old, and no one knows what happened to his parents. sukina: most children can hold milk bottles at eight months. but he can't because he's missing an arm. he's often ill, and needs a lot of care. reporter: there are many such sad stories here at the orphanage. but at least now the children can laugh, sing -- and dream of a better future. anchor: many children and young adults around the world share that hope of a better future. in sub-saharan africa, more than 60% of the population is under 25. many of them long to have fulfilling work.

yet,ore often an not, that dream remains a drm. kenya has rticularly high levels of youth unemployment -- around 20%, says the world bank. many young people move from rural areas to the cities, where they end up living in slums. elke: kibera is the largest slum in kenya's capital, nairobi. for several years, locals have learned important life lessons eit aresses isss relevanto afre. peop's everyday lives, like. widespread joblessness and unplanned pregnancies, espand involving the youth. it's about sexual reproduction. that is, not just sex, but sexual reproction as ahole. and alsohese issueabout ing a younentreprene, entrepreneurship. so it actually tackles the major issues that affect youth most of thtime.

>> welcome to whujaaz! elke: "shujaaz" means "heroes" in sng slang -a mixture swahiland englisspoken by millns of younkenyans. the eato elke: "shujaaz" means "heroes" entertaiand inform theye goal ito edute by providing ps and posive role models. lucyi was just carelessperson, s nothing out her fe. en i wt to knothe magazi, i deded for a chant alleng. if oth youth a doingt, why not me elke: acing big emphas on mmunity volvemen the "sjazz" te asks eir readerto sugst topics for their sties. thcharacters in the comic books also have a strong presence osocial med. faridaat this ag i'm thinking, every young people in kenya, it's ite essential for them to be on social media. they want to be informed. they want to understand what the trends are. they want to feel li a part of a group. and that's where "shujaaz" comes in -- to create that partnership

with their frien and just ke sure that whatever is happening from the offline media, at least it is something that's happening the editorial team via text elke: reademessages. conct this is an eecially popur form of communication in kenya. for those who don't have internet access, there's also thoption of stening to a daily dio show tt's broadcast over more than 20 stations. tresponse to the violence thatd therupted in 2007 following the country's contested presidential election. he saw a younger generation that tfelt manipulated by politicians and ovlooked by e mainstre media. bernet wanted to help young people improve their prospects. rob: it was a very serious study on a big scale done by a leading

academic institution in the u.s. it was a very robust study, and itthree times less likely to ben or less who llow "shujz" are young women who do not follow "shujazz." we deal wi much mo, sort o mechical pblems. so the outcome of us dealing with mechanical problems -- whh in this se was, hodo yomake sommoney, how dyou make a plan for the future, how do you sy healthy the and it turns out that not beg marrieat 19 probly means y are in school, or it means youe making money, it means your life is progressing, meanyou don't are in have a chi.it means youe theris a bunchf good this that come with not being married. elke: they now reach wl over six million people.

this includes a growing audience in neighboring tanzania too. their longer-term goal is to increase their online presence across thefrican continent. rob: what else can the internet do to create energy and possibilies for oumillions of followe? so, we have some ias, we are developing fast. to say, can we te the promise of the "shujaaz" effect and deliver it bigger, faster,are better, quicker, cheaper, on the intern? that'shat we worng on. elke: more and more people are getting online in kira too -- t for the ment, theold-fask that'shat we worng on. continues to inspire people to share their stories and embrac new ideas. anchor: today in global ideas, we visit a small island off the coast of mexico. every year, cruise ships take millions of passengers to cozumel.

but what does that mean for local wildlife? our reporter christian roman but what does that mean for travelled to cozumel to find our more about how people there are protecting their island paradise. jose: this island is my home. i'm very grateful that i get to meet so many people here -- tourists, ships' crews, people from around the world. christopher: cozumel is a great place to work as a biologist, because it has so much nature, so many species, and ty have to be protected. raymundoi discoved thisbeautyren wod of scubaiving. i decideto do as my j.

perla: for me, cozumel is a thousand years of history and a rld hetage. christian: cozumel lies on mexico's east coast. the caribbean island is a favorite tourist destination. five million visitors come here every year. the harbor is large enough to handle seven cruise ships at any given time. when a ship's passengers disembark, it's like an invasion. jose nieto is in charge of harbor security. he's been on the island for 20 years, and witnessed how the harbor has been expanded to accommodate the giant cruise

liners. jose: tourism is essential for the whole island. it's a source of income for everyone working here. we depend on the tourists. chstian: everbuthe toistg here. hoes rarelhead io theists. infore canopy coring theislandh is a protected nature reserve. biologist christopher gonzalez wants to see the integrity of the rainforest maintained. but he's concerned the island is at a crossroads. christopher: i think this is the way cozumel used to be several years ago. but by now the truth is that the real cozumel is everything, and the tourists are part of the real cozumel now. what we have to do now is to manage that reality, and the

protected areas are part of that. christian: he'd like to see more visitors enjoying the natural wonders here -- for instance, on trekking tours, as long as they follow strict guidelines. however, most tourists usually want to see the island's main attraction -- its unique coral reefs. but just how long they'll remain intact is a concern. comel is homto the wor's seco largest cal reef. bumo than 50species ofish remain live her some thatened by. comel iextinction. wor's seit's a fragile padise and valuable treasure. according to a study by the rman corpotion for attraction- its uniq coral reef inteational coeration,he arou 70 million euros inal reefs coincome annually.

christopher: if we lose water quality, if we lose the clear of the water and we lose species, 12% of the people that come to cozumel won't come back. so we are working hard to make the people more conscious about that. and when i say people, i mean tourists. but also the guides that go with the tourists. they're like our ambassadors. what the guides show, what is correct, the tourists will do that. christn: diving structor raymundo rirez is we aware of that relationship. the conservation authorities know he's sticking to the rules, because he has to renew his tour guide license every year. -- two years. raymundo: el cielo nowadays is one of the most popular places in cozumel, because the water is turquoise, beautiful blue, only one and a half meters deep. and it's full of starfish. and usually the people arrive in this place and take the starfish

out of the water, take the selfie, and put it back. maybe the starfish is going to be dead the next day. that is the lack of education. you cannot touch anything. christian: this ignorance is uptting to raymundo. at's whye only takes sll groups down at a time and gives them strict instructions. raymundo: if you don't control your buoyancy while diving, and you get close to the reef, you're going to hit the reef -- maybe with your nds, but mbe withhe tank. d if y hit theoral foation orhe spong or something with your tank, it's going to be a big damage. christia they willreak off most tourists from the ships spend only half a day on the land. it's not much time to experience the culture. cozumel was a center of mayan religious culture. the mayor herself is of mayan

dece. she shes the trists woul take more interest in the island's culture and history. pea: due to zumel's unue geogphical locion, we'll never be able to avoid all these island'scruise ships.history. but we shouldn't be afraid to set down rules for the tourists. if you're going to destroy the environment, then you can't come. if you don't patronize our restaurants and shops, then you can'come. and if you don't enrich our society, then you're not welcome here christian: in the evenings, when the harbor empties, cozumel becomes tranquil -- but only for a few hours. the next cruise ships will soon beocking heragain.

anchor: we lovtasting food from around the world. today's global snack comes from greece. it's aiew that'seen enjoye by many,ncluding axander the today's globgreat.ck comes from thessaloniki, the cond large city in grce, was foded in thyear 315 b it wasamed aft alexaer's sier. this da it remaina culturaleltingot. e city'sost famo landmark ishe whiteower. just aund the rner is a culturaleltingot. culinary landmark, named e city'sost"psizou."dmark >> a very good friend of mine suggested me to cooperate and open this store. anchor: here, the focus is on gyros.

>> psizou is the greek verb for sang cook! ogrill! anch: "gyrosliterallmeans "to turn here, the are ma variees tohoose from >>here are seral kinof anchor: at psizou, customers can choose bween tzatzi, mustar herb, andarlic sauc as well as four different kinds of bread. gyros is traditionally made fr pork. ait's typically seasoned withds oregano, thyme, salt, pepper, and gaic, and seed with tomatoes, ions, and ied potatoes. athe staff serve between 200 and to400 portions of gyros a day.

the restaurant attracts tourts and lols alike. it's also frequented by students from around the country. the gyros and other food, and it was delicious, so i came again wher gyros best? andrea: in a traditional way with potato, tomatoes, and ketchup -- and tzatziki, of course. >> they all want to taste the traditional greek gyros! anchor: alexander the great surely would have approved. and that's all from "global 3000" this week. but as you know, we love heari surely wouldfrom you.roved. so do drop us a line to global3000@dw.com, or post on facebook -- dw global society. see you next week -- and until

then, take care! [captioning performed by the national captioning institute,

narrator: today on "earth focus," coral reefs are home to 1/4 of all fish and marine life. but now, due to rising ocean temperatures, coral reefs are in great peril. around the world, dedicated people are working together to save the coralals, coming up on "earth focus." coral reefs are the most diverse ecosystems on the planet. while they cover less than 2% of the ocean floor, reefs provide livelihoods, food, and shoreline protection, as well as being