Electric vehicles in China: Beijing expands battery recycling

China has some 36 million EVs (electric vehicles) on its roads. But their batteries don’t last forever. With the first generation of EVs coming to the end of their lifespans, Beijing now faces a new problem: how to recycle and reuse the thousands of EV batteries that are spread across the country? Our correspondents Jan Camenzind Broomby and Eudeline Boishult report.