FILE - In this March 3, 2020, file photo, the New National Stadium, a venue for the opening and closing ceremonies at the Tokyo 2020 Olympics, is seen from Shibuya Sky observation deck in Tokyo. The Tokyo Olympics were postponed a month ago. But there are still more questions than answers about the new opening on July 23, 2021 and what form those games will take.(AP Photo/Jae C. Hong, File)

A station passageway is crowded with commuters wearing face mask during a rush hour in Tokyo Monday, April 27, 2020. The Tokyo Olympics were postponed a month ago. But there are still more questions than answers about the new opening on July 23, 2021 and what form those games will take. (AP Photo/Eugene Hoshiko)

FILE - In this Tuesday, March 24, 2020 file photo, a man is seen through the Olympic rings in front of the New National Stadium in Tokyo. The Tokyo Olympics were postponed a month ago. But there are still more questions than answers about the new opening on July 23, 2021 and what form those games will take.(AP Photo/Jae C. Hong, File)

FILE - In this March 24, 2020, file photo, the Olympic Flame burns during a ceremony in Fukushima City, Japan. The Tokyo Olympics were postponed a month ago. But there are still more questions than answers about the new opening on July 23, 2021 and what form those games will take.(AP Photo/Jae C. Hong, File)

FILE - In this April 16, 2020, file photo, Tokyo 2020 Organizing Committee President Yoshiro Mori, left, speaks in teleconference with John Coates, chairman of the IOC's Coordination Commission for the Tokyo 2020 Olympic Games, in Tokyo. The Tokyo Olympics were postponed a month ago. But there are still more questions than answers about the new opening on July 23, 2021 and what form those games will take.(Kazuhiro Nogi/Pool Photo via AP, File)