The video was recorded on a train from Amdo to Tsonag Lake, in Tibet.
Watch it on YouTube:
http://www.youtube.com/watch?v=isg0W6J0sgc
The raw GPS data could be found at:
http://www.openstreetmap.org/user/wangchun/traces/317987
And a few screenshot images of my home-made program to do it:
If anyone is interested in the program, I may spend some time to release it.