A researcher cultivates samples at the National Orchid Conservation Center in Shenzhen, south of China's Guangdong Province, July 28, 2017. The National Orchid Conservation Center was founded in 2006. It is devoted to orchid conservation as well as orchid collection, reproduction, research and identification, and it also provides technical consultation on endangered species of orchids in China. (Xinhua/Mao Siqian)
