![](http://www.ecns.cn/hd/2022/06/01/5944622a85b84bf0b9e620a41c6e1c33.jpg)
Illuminated drones stage a light show to celebrate the Children's Day in Tianjin, May 31, 2022. (Photo: China News Service/Tong Yu)
![](http://www.ecns.cn/hd/2022/06/01/6c220855b8a64496a9666e3073af77ab.jpg)
Illuminated drones stage a light show to celebrate the Children's Day in Tianjin, May 31, 2022. (Photo: China News Service/Tong Yu)
![](http://www.ecns.cn/hd/2022/06/01/c974e64062bb4c65b09c551649455105.jpg)
Illuminated drones stage a light show to celebrate the Children's Day in Tianjin, May 31, 2022. (Photo: China News Service/Tong Yu)