Image of Asia: Passengers sleep on Bangkok train

In this photo by Associated Press photographer Sakchai Lalit, passengers sleep in a train bound for the northern city of Chiang Mai at Hua Lampong railway station in Bangkok.

Getting from the capital to Chiang Mai by train remains a popular and economical choice for travelers who can make the 751-kilometer (467-mile) rail journey for as little as 231 baht  a seat.