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.
Photos: World's 12 best water parks. Caribbean Bay (Gyeonggi-do, South Korea) â Home to the world's longest lazy river water ride, Caribbean Bay was South Korea's first water park. It has an outdoor wave pool measuring 426 feet (130 meters).