morris_2007 發表於 2012-3-11 00:15:53

【中国古代四大发明系列】古代建筑术

http://www.youtube.com/watch?v=g0z8TIJJxP8&feature=related

http://www.youtube.com/watch?v=AlG9OuTDgFE&feature=related

http://www.youtube.com/watch?v=R9d1tkjF3wQ&feature=related

http://www.youtube.com/watch?v=sj2JQTHXuvg&feature=related
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