The history of the project, cheek monkeys. The concept is the initiative of His Majesty the King. To solve the flood problem He realized the severity of the flooding occurred in Bangkok in 2538, so the initiative. "Monkey Cheek Project" was held on November 14, 2538 by providing a place to store water at various points. In Bangkok Temporarily to accommodate the Rainwater By the time the drainage canal will gradually drain the water from the reservoir to keep it out. You can reduce the flooding was due. In addition, the cheeks are held to help drainage. Reduce the severity of floods in Bangkok and vicinity ago. It also helps to conserve water and the environment. The water is stored. When drained into ditches To treat wastewater to dilute. And eventually lead them to push the water to drain away.