![](http://www.ecns.cn/hd/2021/07/22/0cc5f988aab241958072f78db6b5e155.jpg)
The Blue Impulse, the Japanese aerobatic demonstration team, skywrites the Olympics-Five rings in the Tokyo sky as the competition is approaching, July 21, 2021. (Photo/ VCG)
![](http://www.ecns.cn/hd/2021/07/22/7bc5d0af6aea4769b2ebd1dfbdf14677.jpg)
The Blue Impulse, the Japanese aerobatic demonstration team, skywrites the Olympics-Five rings in the Tokyo sky as the competition is approaching, July 21, 2021. (Photo/ VCG)
![](http://www.ecns.cn/hd/2021/07/22/18c48e25144b4725b7caa33ab5219351.jpg)
The Blue Impulse, the Japanese aerobatic demonstration team, skywrites the Olympics-Five rings in the Tokyo sky as the competition is approaching, July 21, 2021. (Photo/ VCG)
![](http://www.ecns.cn/hd/2021/07/22/8ae1fe056d3a4848b26e4fbf31a82518.jpg)
The Blue Impulse, the Japanese aerobatic demonstration team, skywrites the Olympics-Five rings in the Tokyo sky as the competition is approaching, July 21, 2021. (Photo/ VCG)