A visitor (2nd R) learns about medical practices using a virtual reality (VR) device at the exhibition area of the International Committee of the Red Cross (ICRC) during the Sixth China Charity Fair (CCF) in Shenzhen, south China's Guangdong Province, Sept. 20, 2018. Focusing on public welfare and poverty alleviation, the three-day event kicked off at the Shenzhen Convention & Exhibition Center on Thursday. (Xinhua/Mao Siqian)