Allied law enforcement
Some people swim in Jingmi Channel, which results in pollution of water quality. It's said that every year, more than twenty people died of drowning in this channel in summer. In the picture, there is a sign "Treasure Life, Protect water resource" at the side of Jingmi Channel.

In summer, many local citizens go to swim in Jingmi Channel. They ignore the sign of "No Swimming" on the banks. Their behavior pollutes the water quality. However, every year, more than twenty people died of drowning in this channel.

In order to enforce the protection of water resource, Beijing Standing Committee passed "Regulations on Miyun Reservoir, Huairou Reservoir and Jingmi Channel" in 1995, in which discharge of sewage, washing clothes in channel, pollution of water are forbidden.

Copyright @ Beishichao Middle School, Beijing, China 2007