Just prior to the main drop is a water brake to prevent excessive speed in the funnel. Water is pumped in on that the top right and slows down the rafts. The water is then partially drained off by the two sumps seen at the bottom.
Just prior to the main drop is a water brake to prevent excessive speed in the funnel. Water is pumped in on that the top right and slows down the rafts. The water is then partially drained off by the two sumps seen at the bottom.