![](http://www.ecns.cn/hd/2021/07/16/c188bf460e264751a41e23eee24cf189.jpg)
A woman wearing a protective mask, following the coronavirus disease (COVID-19) outbreak, walks past a large-scale reproduction of Tokyo 2020 Olympic Games medal at Nihonbashi Mitsui Tower in Tokyo, Japan, July 14, 2021. (Photo/Agencies)
![](http://www.ecns.cn/hd/2021/07/16/231111290dcb4df3a658d92fe545ec10.jpg)
A man wearing a protective mask, following the coronavirus disease (COVID-19) outbreak, takes picture of a large-scale reproduction of Tokyo 2020 Olympic Games medal at Nihonbashi Mitsui Tower in Tokyo, Japan, July 14, 2021. (Photo/Agencies)
![](http://www.ecns.cn/hd/2021/07/16/0a75bd11d018461c8e508b6fec7f6203.jpg)
A woman wearing a protective mask, following the coronavirus disease (COVID-19) outbreak, walks past a large-scale reproduction of Tokyo 2020 Olympic Games medal at Nihonbashi Mitsui Tower in Tokyo, Japan, July 14, 2021. (Photo/Agencies)
![](http://www.ecns.cn/hd/2021/07/16/3f2db163649d418384e331501544e28e.jpg)
Women wearing protective masks, following the coronavirus disease (COVID-19) outbreak, walk past a large-scale reproduction of Tokyo 2020 Olympic Games medal at Nihonbashi Mitsui Tower in Tokyo, Japan, July 14, 2021. (Photo/Agencies)