What about the drainage ditch in Songlingzi Town, lingyuan city, Liaoning Province?

1. First of all, the government invested funds, professional and technical personnel carried out reasonable division of labor and planning, and carefully built drainage ditches.

2. Secondly, regularly carry out dredging, reinforcement, repair and maintenance.

3. Finally, it shall be managed by specialized personnel in a unified way, obey the command, and shall not be occupied privately.