7th China Information Technology Expo held in Shenzhen, China's Guangdong

A visitor tries an interacting system via projection at the booth of China's home appliances company Haier during the 7th China Information Technology Expo (CITE 2019) in Shenzhen, south China's Guangdong Province, April 9, 2019. The CITE 2019 opened at Shenzhen Convention and Exhibition Center on Tuesday. (Xinhua/Mao Siqian)