The Chinese city of Chongqing is undergoing transformative change with the help of innovation. Follow a group of vloggers from Nigeria, the UK and other countries for an on-the-ground view.
Produced by Xinhua Global Service■
您使用的瀏覽器版本較舊,已不再受支援。建議您更新瀏覽器版本,以獲得最佳使用體驗。