These new Korean stamps are dedicated to the Four Rivers Restoration Project. The Four Rivers Restoration Project which was kicked off in Korea in 2009, has been undertaken to prevent damage from floods that are repeated each year, to keep the rivers healthy through improvement of the quality of water and revitalizing the ecological balance, and to improve the quality of life.
For the past two years, the Four Rivers Restoration Project achieved the completion of the 16 weirs that help lower flood water level and enable the effective utilization of water resources. In commemoration of this achievement, the newly created, four representative weirs of the four rivers including Ipo Weir in the Han River were opened to the public on October 22, 2011.
The stamps illustrate the four newly revamped rivers of the Han River, Geum River, Yeongsan River, and Nakdong River. It is hoped that they will forever remain living rivers that breathe in sync with nature.