Wang Nam khiao of Nakhon Ratchasima is known as well as places that have rated 7 in 1 ozone in the world until there is new territory for "Northeast Switzerland.
Green is a district of Nakhon Ratchasima. Well known as the place where the ozone ranked # 1 in 7 of the world, and is referred to as. "Switzerland of the East.
The Palace Green is a district of Nakhon Ratchasima province. Well known as a place with the top of the world 1 ozone in 7 until there was called "the Switzerland of the East.