World Waterpark is a water park located at West Edmonton Mall in Edmonton, Alberta, Canada. Opened to the public in 1986, it is the world's second-largest indoor water park after the Tropical Islands Resort in Germany. It has a maximum capacity of 5000 guests, an average air temperature of 31 °C , and contains the world's largest indoor wave pool with a capacity of 12.3 million litres.
On opening day, six thousand people were enjoying the attraction at the same time.
The waterpark has a maximum capacity of 5000, so there couldn't be 6000 guests at one time.
( z1 enjoy :ARG0 ( z2 person :quant 6000 ) :ARG1 ( z3 attract ) :time ( z4 day :time-of ( z5 open ) ) )