Natural water sources. The main people in Chiang Rai province to exploit is the river and the Mekong River. In the past. The water in the river levels high. Ever closer to areas flooded and overflowing rivers, but currently reduced levels.
Natural sources The main advantage is the offense. Kok River and Mekong River, in the past I have had a high level of overflowing rivers flooded neighborhood. But today, the water level has dropped considerably.
Natural water. The main line of Chiang Rai province use is the phachi River and Mekong River in the past, the water in the river. There is a high level ever overflowing flood the area close to the river. But in the current water level down.