The 22nd High-Tech Fair (CHTF2020) kicks off at the Shenzhen Convention and Exhibition Center in Shenzhen City, south China's Guangdong Province, 11 November, 2020. The opening ceremony was attended by academicians of the Chinese Academy of Engineering, global scientists, as well as consuls of Belgium, Austria, Spain, and Poland in China. (Photo by Rex Features/Shutterstock)
