A worker observes the rising wooden roof process as part of Olympic Gymnastic Centre for Tokyo 2020 Olympic and Paralympic games under construction is seen in Tokyo Wednesday, Nov. 7, 2018. The new Tokyo 2020 Olympic venue is halfway completed. On Wednesday engineers raised a massive wooden roof section, one of five sections that will top out the 20.5 billion yen ($180 million) building. (AP Photo/Eugene Hoshiko), APTOPIX