© 2004 Nommonomanac, CC BY-SA 3.0
This is a figure of the water-level-adjusting pound lock that is found in the Grand Canal.
© 2008 Ian Kiu, CC BY 3.0
This video gives a more architectual view of the Grand Canal. It is produced by Discovery Science which is well known for their accurate videos. Use this video when you are wanting to learn more about how the Grand Canal works while recieving basic information about the Canal.