|  | 
| Soldiers take part in a biochemical attack drill in the city of Shenzhen, Guangdong province, on April 14. Some passers-by did not realize it was only a simulation, and contacted the police. [Photo/icpress.cn] | 
| 
  | 
  | 
  | 
| Xinjiang police holds anti-riot drill | 
| 
 | 
 | 
| 
 | 
 | 
| 
 | 
 | 
| 
 | 
 |