In the days prior to travel between the central region to the east. A drawback is that it requires a large rainforest which is filled with many dangers, both beast and malaria. People who travel through this forest are many casualties.Dong Pyaaฟ later when King Rama V passed by the time the railway line in Bangkok - Nakhon Ratchasima. He saw that the name Dong Pyaaฟ this sounds awesome, so feel free to change the name to Dong Phaya Yen since it is coming.