he wanted to see nakamura's work with his own eyes.e got the chance in 2018 in a project in the country's east that transformed the landscape. >> it was very clear. one time it was desert. and i was really impressed, his work. >> reporter: he had faced repeated setbacks in his own work, but standing there, he became convinced he could overcome them. he could accomplish what many thought was impossible, through determination and perseverance. >> we were thinking that one person cannot bring any changes to society. but now our thinking has changed. we say, yeah, one person can bring some changes if you work consistently. >> reporter: he dreamed of meeting nakamura one day. so when he learned of the japanese aid worker's killing, it left him in tears. on the day nakamura's remains arrived at narita airport, he and his friends were on hand to show their appreciation. he became even more determined to press ahead and carry on nakamura's legacy. he believed his current research could help make chicken farms more resistant to things like heat

nakamura improved the lives of afghans. will never forget his achievements. >> the governor of the province where nakamura was killed vowed to track down those responsible. nakamura was shot and killed by unidentified gunmen in the province of nangarhar on december 4th of last year. he was 73 years old. >>> a retired professional sumo wrestler from russia is now working on the second chapter of his life in japan. nhk world's reporter asked him about the new endeavor he is taking on. >> reporter: i first met 37-year-old nikolai eivanof fiv years ago. he came to japan when he was 18 years old to become a professional tsunami presser. he fought under the name amura from his russian homeland and retired two years ago in 2018. >> reporter: rf after retiring, ivanof decided to stay in japan and become a sports trainer. during the coronavirus pandemic he began his own online training course. he teaches the basics of sumo training, including shiko foot stomping and leg stretching exercises. the main goal of the course is to increas

netflix record the on-screen matches igniting a new off-screen interest in the game at age 15, hikaru nakamura became the youngest american to win title of grandmaster and is one of the world's top players how real is it >> it was probably the best piece of chess in cinematic history for me because of how real it was. >> reporter: chess had already seen a boost in popularity, beginning in march, when the coronavirus lockdowns began. chess.com, a popular chess app, hosted 142 million games in february by april, that number jumped to 192 million. arnold schwarzenegger, nba star ganas getting in on the action. >> how about we play chess >> i love playing chess. i've been playing on my cell phone. >> reporter: with the release of "the queen's gambit," americans are streaming more chess content than ever. at chess.com a month ago, nearly 2 million new members, many of them like the star of the netflix series, are women. and it's not just an online craze. since the show's premiere, ebay reports a 215% increase in sales of chess sets and accessories. how much time do you spend thinking about chess th

go nakamura captured a doctor holding a patient in the intensive care unit. protester patrick hutchinson carried a counterprotester to safety. adam ferguson caught this fire response volunteer pouring water on a koala who was injured in a bush fire back in january. "time" chose these photos and others to capture the big news makers of 2020. there are some remarkable images showing us the year that we've all lived through, including photos from nigeria showing the police brutality protests, the explosion in beirut, black lives matter, and also some very nice ones but also tough ones of morgues and images like this. >> yeah, the top three that you showed us all touched on the humanity of people. that's the thing that always strikes me. >> the first two i remember really, really well. >> there was the little boy watching the horse race while on a pony in his living room. don't get any ideas, kids at home, santa is not bringing a pony. >> but photos like that show our humani humanity. >>> we've got some cool video. this u.p.s. driver has the best reaction to a li