Mekong Diaries - Mekong Ký sự

Mekong Ký sự is a documentary about the diverse cultures that have lived on the Mekong River for centuries. It was made by Pham Kac a Vietnamese director during 10 trips along the river in 2001.

It is really long with many parts, each one over an hour. They are on YouTube.

Mekong Ky Su by Pham Khac - Vietnamese

Part 1: Tibet
http://www.youtube.com/watch?v=UazJ39Orb00

Part 8: Laos
http://www.youtube.com/watch?v=_ks6IJGdKGw

Part 10: Thailand/Laos
http://www.youtube.com/watch?v=rwp2W5ri1nc

Part 12: Cambodia
http://www.youtube.com/watch?v=o4mkXyeBamk

Part 17: Vietnam - Mekong Delta
http://www.youtube.com/watch?v=9aQT3bQaARE

Part 19: Vietnam
http://www.youtube.com/watch?v=oaruqq4pvas

This site explains about the film.
http://vietnamnews.vn/print/187942/a-photographic-journey-along-the-mekong-river.htm