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[[File:History-of-waterslides.jpg|thumb|left|Figure 1. Image showing perhaps the first
build water slide.]]__NOTOC__
For many children, and even those young at heart, water parks are a key pastime of summer and, increasingly, winter. With indoor parks, it is now possible to play year-round in many places. The history of water parks is relatively recent. In particular, it is after World War II when they became popular. But they have evolved rapidly in the last few decades from simple places of amusement to complex parks that compete for status symbols such as the 'largest water park' or 'tallest waterslide.'