Staff members of Guangzhou Textile Industry & Trade Group Co. Ltd., employ green screen while livestreaming during the 129th session of the China Import and Export Fair, in Guangzhou, south China's Guangdong Province, April 15, 2021. The 129th session of the China Import and Export Fair, also known as the Canton Fair, on Thursday kicked off online with a record number of products on display. The 10-day event will last until April 24. (Xinhua)
