Erawan National Park is a renowned nature reserve spanning over 550 square kilometers. It encompasses diverse flora and fauna, forests and limestone hills Bridge Over the River Kwai is the most important part of the railway track between Myanmar and Thailand by the Japanese in 1942. The railway track was built by he prisoners of war, who were forced to work in horrible circumstances. The aforementioned bridge was constantly under attack which made it life-threatening for the prisoners of war to work there. A large number of prisoners died there. The railway track is also called the Death Railway.The Khwae Yai River, also known as the Si Sawat, is a river in western Thailand. It has its source in the Tenasserim Hills and flows for about 380 kilometres through Sangkhla Buri, Si Sawat, and Mueang Districts of Kanchanaburi Province, where it merges with the Khwae Noi to form the Mae Klong River at Pak Phraek. The JEATH War Museum is a war museum in Thailand about the Death Railway built from 1942 to 1943 by Allied POWs under the direction of the Japanese, a part of the Thai-Burma railways.