Sun Yat-sen Mausoleum
Underwater World is a joint venture between Andover Capital Group and the Nanjing government. It is run by the manager of the Sun Yat-sen Mausoleum, and opened in 1996. The aquarium covers of the and is four stories tall. The 1000 seat Dolphinarium covers an area of . The total investment was about 200,000,000 yuan.