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Qingxichuang Restoration July 2003, Seoul started the "Qingqichuan Restoration" with the project, determined to restore this ancient city on the ecology and history of style, construction of traditional and modern illuminated "cultural city." September 2005, lasted 26 months, with a total investment of 3.9 billion won in the "Qingxichuan Restoration Project" completed. Removal of the towering viaduct, removed the massive cement covered river, perennial riverbed silt cleared the dregs. From the Han River water, purified by pumping into the full 5.8 km of the Qingxichuan river, note 98 thousand tons of water daily, plus purification of the 22,000 tons of water the city subway, the total injection capacity of 120,000 tons, allowing river to maintain water depth of 40 cm. Dried for several decades, become the underground Ditch finally restored Qingxichuan "Qingxichuan" in this appearance. To make Qingxichuan protection, management and exploitation, set up a special organization Qingxichuan Management Center, operated by the management group planning, business operation, advertising and venue management and use of a variety of performances, cultural activities, recruitment, organization etc.; Facilities Management Section is responsible for facility inspections, maintenance and management, disaster prevention and snow removal and various security checks and security assessments; ecological Qingxichuan Management Section is responsible for water quality, environmental monitoring, environmental impact assessment, ecological protection and green space maintenance and management. Three departments clear division of labor, organic co-care is good, good job, good use of Qingxichuan, this concerted effort to maintain the best ecological river.

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