While watching a bunch of leisure craft heading through the locks at Ballard, a tour boat was coming from the opposite direction and was fed into the smaller lock. I headed across to watch it come into the lock. It was a pretty snug fit. All of the people onboard were out on the deck watching the lock process. I was watching them watching us. They were below me when the boat entered the lock but, once the water level was up, they were looking down at us on the lock side.