Lhasa To Guangzhou

Information about the 57 hour train trip from Lhasa to Guangzhou.

The train is T264/t265.

The Lhasa-Guangzhou train leaves every other day unlike the Shanghai and other trains.
Check Seat61  (extremely useful site about train travel anywhere in the world)

Useful Links: 

Shanghai-Lhasa-Guangzhou
Lonely planet thread about a trip someone took from Shanghai>Lhasa>Guangzhou.Only really the last part is relevant.

Hong Kong to Tibet
Nice article from the Guardian about taking the train from HK to Lhasa