Expensive. The total investment of Adventure Island Water World Project is nearly 654.38 billion yuan, covering an area of about 200,000 square meters. As the largest water park project in the Yangtze River Delta region, it is designed by Canada Baishui Company, the world's top design company, and the amusement equipment is all made and provided by well-known foreign equipment suppliers, aiming to build the top water park in Asia. It's more expensive than selling outside. It is normal that things in Lishui Adventure Island are basically more expensive than those sold outside.