Pictures of the Strépy-Thieu canal lock in Belgium.
More information about this lock can be found at: http://www.vaart.nl/nautisch/strepy.htm
There wasn't nearly as much water here as I thought there'd be. Apparently the water level in the bathtub was very close to that of the lower part of the canal.
Note the car on the back of the ship. I was told that people tend to live on their ships. The car will be used for excursions onto land between shipping runs.