1 / 5   Tuesday marks the 87th anniversary of the September 18 incident, when Japanese troops in 1931 blew up a section of railway under their control near Shenyang, NW China's Liaoning Province, and accused Chinese troops of the sabotage. Today, to commemorate the anniversary, ceremonies are held across China. /VCG Photo

2 / 5   Visitors took selfies in front of the 9.18 Historical Museum in Shenyang, NE China's Liaoning Province, where the incident occurred. The museum is collecting items related to the incident from around the world. /VCG Photo

3 / 5   Air raid sirens were sounded at 9:18 a.m. and lasted for three minutes across Shenyang. Meanwhile, traffic on 18 roads was suspended for three minutes. /VCG Photo

4 / 5   In the morning, visitors queued to enter the 9.18 Historical Museum in Nanjing, East China's Jiangsu Province, to commemorate the incident. /VCG Photo

5 / 5   People attended the bell-ringing ceremony to remember the victims of the Japanese atrocities. The bell is embossed with Chinese characters that say "Never Forget National Humiliation." /VCG Photo