I'm at 清华大学 | Tsinghua University (Beijing) http://t.co/SmxMuWFX
from http://twitter.com/eustacia http://twitter.com/eustacia/status/131947415677833216I'm at 清华大学 | Tsinghua University (Beijing) http://t.co/SmxMuWFX November 03, 2011 at 12:14PM