As Europe endures another summer of extreme heat, demand for portable cooling devices is rising.⁣ ⁣ Many of those handheld fans, neck fans and other innovative cooling gadgets have one thing in common: they come from Yiwu, China's "World Supermarket."⁣ ⁣ How did one Chinese city become a key supplier for Europe's summer essentials? Watch our explainer to find out. ⁣ ⁣ #Europe #Heatwave #Yiwu #China #Manufacturing #Innovation #Trade #Explainer #ChinaExplained