Chief Executive of China's Macao Special Administrative Region (SAR) Ho Iat Seng addresses the first conference of the International Forum on Science, Technology and Innovation (ISTIF) of the Boao Forum for Asia (BFA) in Macao, south China, Nov. 10, 2020. The first conference of the ISTIF of the BFA opened here on Tuesday. (Xinhua/Cheong Kam Ka)