Video PlayerClose
Children show greeting cards made to mark the World Hello Day which falls on Nov. 21 annually at a kindergarten at Taihe County, east China's Jiangxi Province, Nov. 20, 2018. (Xinhua/Deng Heping)
Children show greeting cards made to mark the World Hello Day which falls on Nov. 21 annually at a kindergarten at Taihe County, east China's Jiangxi Province, Nov. 20, 2018. (Xinhua/Deng Heping)