Subscribe to France 24 now: f24.my/youtubeEN FRANCE 24 live news stream: all the latest news 24/7 f24.my/YTliveEN China has begun a controversial experiment to get to know its people better. The government is tracking its citizens' behaviour, from smoking on a train to jaywalking. If a person's score drops low enough, he or she could be banned from travelling or taking out a loan. Our team on the ground reports. Meanwhile, Japan's trains run like clockwork. Over the course of the entire year, Japanese high-speed trains are behind schedule by only 30 seconds. And if they leave early, they even apologise. This punctuality goes beyond engineering, it's also cultural. Finally, we discover a dance group in Taiwan that specialises in hip-hop. Its members wear shiny shoes, headbands, and bright purple basketball jerseys with big afros on the front. None of that may sound particularly remarkable, but their average age is more than 70 and their oldest member is 91 years old. www.france24.com/en/taxonomy/emission/21102 Visit our website: www.france24.com Subscribe to our YouTube channel: f24.my/youtubeEN Like us on Facebook: www.facebook.com/FRANCE24.English Follow us on Twitter: twitter.com/France24_en