Thailand’s State Railway has begun digging the 6.2-kilometer railway tunnel that will connect Den Chai in Phrae with Chiang Rai’s Chiang Khong district, located on the banks of the Mekong River. According to Thailand’s State Railway’s public relations chief, Mr. Ekkarat Sriarayanpong, the project is part of the 323.10km-long upgrades that will see another track … Continue reading Excavation Begin on 6.2-Kilometer Railway Tunnel in Chiang Rai