Zoos and aquariums now offer much more than exotic animals and ocean creatures. Gone are the days in the 1980s and '90s when zoos and theme parks would display animals purely for entertainment purposes, even allowing visitors to pet some of them.
Lotte World Aquarium divers perform an act where they pick up trash underwater in order to raise awareness of environmental protection. Lotte said the performance will be held twice a day every weekend until the end of June. [