![](http://www.ecns.cn/hd/2019/09/18/12641a3b808b4767aaa56667d3e70871.jpg)
Passengers and staff members of Shanghai Hongqiao Railway Station take part in a flash mob in east China's Shanghai, Sept. 17, 2019. Participants chorused patriotic songs during the flash mob as a way to celebrate the 70th anniversary of the founding of the People's Republic of China. (Xinhua/Chen Fei)
![](http://www.ecns.cn/hd/2019/09/18/f2d98fb2dc9346d79c47362cddb8c330.jpg)
Staff members of Shanghai Hongqiao Railway Station take part in a flash mob in east China's Shanghai, Sept. 17, 2019. Participants chorused patriotic songs during the flash mob as a way to celebrate the 70th anniversary of the founding of the People's Republic of China. (Xinhua/Chen Fei)
![](http://www.ecns.cn/hd/2019/09/18/aac490cf6c2a452f92e6b1e6ac7ba5cb.jpg)
Passengers and staff members of Shanghai Hongqiao Railway Station take part in a flash mob in east China's Shanghai, Sept. 17, 2019. Participants chorused patriotic songs during the flash mob as a way to celebrate the 70th anniversary of the founding of the People's Republic of China. (Xinhua/Chen Fei)
![](http://www.ecns.cn/hd/2019/09/18/91b32a37c1df456591159ed99908e377.jpg)
Passengers and staff members of Shanghai Hongqiao Railway Station take part in a flash mob in east China's Shanghai, Sept. 17, 2019. Participants chorused patriotic songs during the flash mob as a way to celebrate the 70th anniversary of the founding of the People's Republic of China. (Xinhua/Chen Fei)
![](http://www.ecns.cn/hd/2019/09/18/f23ddb9e391d45699fe9c3ea861c05b1.jpg)
A man takes part in a flash mob with a child at Shanghai Hongqiao Railway Station in east China's Shanghai, Sept. 17, 2019. Participants chorused patriotic songs during the flash mob as a way to celebrate the 70th anniversary of the founding of the People's Republic of China. (Xinhua/Chen Fei)