Generation Global EP8: Cooling vests

In 45-degree heat, air conditioning is a luxury millions can't reach, so researchers at the Beijing Institute of Technology are building something you wear instead. Round Table's Yushan sits down with Ji Wenjie and Fu Ying, two members of the team behind a cooling vest that could change who survives the heat and who gets left behind. On the show: Steve, Yushun & Guo Yan