The Forbidden City

http://www.chinahighlights.com/beijing/forbidden-city/
http://en.wikipedia.org/wiki/Forbidden_City
http://www.travelchinaguide.com/cityguides/beijing/forbidden.htm
http://www.chinavista.com/beijing/gugong/!start.html

Videos
http://www.youtube.com/watch?v=ldbdq9PyLZI&feature=related
http://www.youtube.com/topic/3KakFSGjF3s/forbidden-city?feature=relchannel