It is also in the same region where these people were found:
Kewl.
(Click on the title for 24 more pictures of hares)
That article about the body of the ancient caucasian man found was very interesting. I haven't read that before.
Er...I'd always heard the Jade Gate referred to a part of a woman's anatomy--but perhaps you know more than the wisest of men since the location you sited is "dunhung. :-)