The reactions of nitrous acid with 1Â°- and 2Â°- aliphatic amines may be explained by considering their behavior with the nitrosonium cation, NO(+) , an electrophilic species present in acidic nitrous acid solutions.
Main article: Indoor water park. The first-ever indoor water park was built in Edmonton, Alberta, Canada, in 1985 at the West Edmonton Mall as part of the $1.2-billion-dollar Phase III expansion. World Waterpark is still the world's largest indoor water park, at over 817,800 sq ft (75,980 m 2) in size.
This is a water park area in Legoland California. Construction began in September 2009. It opened on May 28, 2010. It is located next to the buildings in Fun Town. It is the first Legoland to feature a waterpark. It is not possible to buy a separate admission ticket solely for the water park. Legoland Water Park opened in Florida 2 years later.