Screening demonstration test held at Tokyo Big Sight in Japan

A staff member (R) checks the body temperature of a woman acting the role of a spectator by a special sticker which changes its colors under different temperature conditions during the screening demonstration test at Tokyo Big Sight in Tokyo, Japan, Oct. 21, 2020. Tokyo Organising Committee of the Olympic and Paralympic Games held a test of spectator and Games official screening measures on Wednesday, testing a number of different measures, including COVID-19 countermeasures, currently under consideration for deployment at pedestrian screening areas for spectators and Games officials during the Games. (Xinhua/Du Xiaoyi)