Workers clean up dead fish in a lake in Shenzhen, Guangdong province, on Nov 5. It is suspected that some 7,500 kilograms of fish were killed by industrial and domestic sewage discharged into the lake. An investigation has been launched. [Photo by Xuan Hui/Asianewsphoto]

A male inmate embraces his lover during a meet-and-greet held by a prison in Yongchuan, Southwest China's Chongqing, Nov 6, 2013. Prison officers help 20 inmates set up a meet-and-greet with their family or lovers ahead of Singles' Day, which falls on Nov 11, in Yongchuan, Southwest China's Chongqing, Nov 6, 2013. Themed "farewell to being single," the meeting for prisoners is an important way to seek spiritual comfort and emotional peace. A handbook, written by counselor police, was given to the inmates, which includes three parts: marriage policies and regulations, typical examples of love and marriage, and sorting relationship problems. [Photo/icpress.cn] Special: Life in prison shows many aspects