![](http://www.ecns.cn/hd/2019/06/25/3f39cf3e192c40ae8288bdf943b63c2c.jpg)
A brig with scarlet sailing on the Neva River during the Scarlet Sails festival marking school graduation in St. Petersburg, Russia, June 24, 2019. (Xinhua/Irina Motina)
![](http://www.ecns.cn/hd/2019/06/25/1a3a1f4c51674f6fbe43b73ec26995c8.jpg)
People celebrate the Scarlet Sails festival marking school graduation in St. Petersburg, Russia, June 23, 2019. (Xinhua/Irina Motina)
![](http://www.ecns.cn/hd/2019/06/25/183748ebcfe14867817bd013923d2815.jpg)
A brig with scarlet sailing on the Neva River during the Scarlet Sails festival marking school graduation in St. Petersburg, Russia, June 24, 2019. (Xinhua/Irina Motina)
![](http://www.ecns.cn/hd/2019/06/25/b19f5296e5c143f9a0f2765e3f9acdca.jpg)
People celebrate the Scarlet Sails festival marking school graduation in St. Petersburg, Russia, June 23, 2019. (Xinhua/Irina Motina)
![](http://www.ecns.cn/hd/2019/06/25/94f1f18140274be690d025915ddba192.jpg)
People celebrate the Scarlet Sails festival marking school graduation in St. Petersburg, Russia, June 23, 2019. (Xinhua/Irina Motina)