pre han
http://www.youtube.com/watch?v=JvmFA...feature=fvwrel
han dynasty
http://www.youtube.com/watch?v=gxdWl...feature=fvwrel
tang dynasty
http://www.youtube.com/watch?v=VDYGJ...eature=related
song dynasty
http://www.youtube.com/watch?v=FilHU...eature=related
ming dynasty
http://www.youtube.com/watch?v=qlS46...eature=related
thanks to fireearthwater for the interesting and informative videos