Tsutenkaku Tower lit up in green after achieving the "Osaka Model".

On April 14, Osaka Prefecture changed its warning signal from yellow to green to show that it had achieved its own standard, the Osaka Model, for lifting the request for closure, and Tsutenkaku Tower and the Tower of the Sun were enveloped in green light. On this day, Osaka Prefecture clearedthe conditions, including the positive rate of less than 7%, for seven consecutive days. The lights were changed from yellow, which means the countdown to the lifting of the ban, to green, which indicates the gradual lifting of the ban. (May 14, 2020, Naniwa Ward, Osaka City; Credit: Nikkan Kogyo Shimbun / Kyodo News Images)