A water amusement ride system is disclosed. The system may include a first channel of water. The first channel may function to convey participants in a first direction. The system may include a second channel of water. The second channel may function to convey participants in a second direction. The...http://www.google.com.tw/patents/US7775895?utm_source=gb-gplus-share專利 US7775895 - Water amusement park water channel and adjustable flow controller
