nhk world, chiang mai. >>> 70 years since the end of world war ii, people around the world are stillg to comprehend the holocaust. a ceremony in poland recently commemorated the liberation of one of the most infamous sites from that period the auschwitz concentration camp. and one japanese student says some of the lessons are still relevant today. nhk world's yukako sakai reports. >> reporter: a symposium brought the facts of the holocaust to tokyo. it took place on the anniversary of the liberation of auschwitz, the nazi-built camp where more than a million jews were killed. a famous documentary by claude lansmann put the audience face-to-face with the horrors of the death camp. the title is "shoah," the hebrew word for the mass murder of european jews. that documentary presents of testimony of jewish survivors of the camp, former collaborators of nazi regime, and witnesses who failed to speak against the genocide. the main message at the tokyo symposium was, ordinary people also played a part in the holocaust through their action and inaction. >> translator: reflecting on why the h

now farmers and researchers are joining a new project in chiang mai.oal is to prevent another outbreak, and smartphones are their main tool. farmers use a specially developed app to collect data. the categories range from normal or bitten to dead. then the farmer submits the information, which goes straight to a university data center. veterinarians work around the clock to check the data. when they detect signs of trouble, they inform farmers within three hours to tell them what to do. the farmers are told to isolate livestock if needed and to dispose of dead animals. a professor at chang mai university's veterinary college played a central role in developing the app. >> translator: smartphones are the best way to quickly confirm the spread of bird flu. farmers can take photos of their livestock and send them immediately. >> reporter: his team hopes to boost the science of the project to increase its effectiveness. 300 people have already been taught how to use the app. >> translator: the farmers promptly send reports on bird flu. many others can prot