--Aquaduct.--Notice the highway going under the boat.---- OL_20120502_682.JPG
--Aquaduct.--Notice the highway going under the boat.---- OL_20120502_684.JPG Locks are a convenient place to wash the outside windows of the ship. OL_20120502_685.JPG Holding tanks of the locks. The water in these is pumped between tanks rather than flowing under gravity like older ones. This conserves water in the canal which is on the top of the watershed with little inflow.