Thailand buys the hydroelectric power generated in Laos. This is a valuable contribution to the development of laos.
There are many beautiful Buddhist temples in Laos but there are few roads to get to them. There is no railway inside Laos and only one international airport which is in Vientiane.
There are more than fifty different ethnic groups (types of people) in Laos. The majority are descended from the Small Thai people. They speak Lao, which is similar to Thai language. There are also groups like the Hmong, who speak a Tibeto-Burman language. Others speak Mon-Khmer languages.