This is a link to the famous Chinese painting in Song Dynasty
> (approximately 800 years ago). It described the daily activities of
> residents in the Kaifeng , Capital of Song Dynasty, near Yellow River . Of
> cause all of those structures are now buried under several meters of
> silt now from numerous floods of Yellow River in the past 800 years.
> Feel free to share it with others.
> 
> http://www.npm.gov.tw/exh96/orientation/flash_4/index.html