Police filled Beijing's Tiananmen Square on Wednesday, the 25th anniversary of the deadly crackdown of student-led demonstrations there.
ການຮັກສາ ຄວາມປອດໄພ ຢູ່ ທຽນອັນເໝິນ
![Chinese paramilitary policemen man a security checkpoint on Tiananmen Square in Beijing, June 4, 2014.](https://gdb.voanews.com/907b0947-b3ed-4d6c-82f9-196b2b75a66e_w1024_q10_s.jpg)
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Chinese paramilitary policemen man a security checkpoint on Tiananmen Square in Beijing, June 4, 2014.
![Chinese paramilitary policemen chant slogans as they march at a barrack near Tiananmen Gate in Beijing, June 4, 2014.](https://gdb.voanews.com/e70b8cfd-e711-4a54-b57b-34b69cbb916d_w1024_q10_s.jpg)
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Chinese paramilitary policemen chant slogans as they march at a barrack near Tiananmen Gate in Beijing, June 4, 2014.
![A child holds up a Chinese national flag as he poses for a photo in front of Tiananmen Gate in Beijing, June 4, 2014.](https://gdb.voanews.com/e0d9f6b9-8929-4884-a929-4749b588b2cb_w1024_q10_s.jpg)
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A child holds up a Chinese national flag as he poses for a photo in front of Tiananmen Gate in Beijing, June 4, 2014.
![Visitors line up for a security check to enter Tiananmen Square in Beijing, June 4, 2014.](https://gdb.voanews.com/f34e31f9-358c-4f83-94cc-780fa1a5ac9c_w1024_q10_s.jpg)
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Visitors line up for a security check to enter Tiananmen Square in Beijing, June 4, 2014.