Located in Beijing Zoo with the address of No. 137, Xizhimen Outer Street, Xicheng District, Beijing Aquarium is the largest and most advanced inland aquarium in China, covering a total area of 30 acres (12 hectares). It is designed in conch shape with orange and blue as its main color, symbolizing the mysterious vast sea and endless vitality of marine life. Beijing Aquarium has seven halls: Rainforest Wonder, Bering Strait, Whale and Dolphin Bay, Chinese Sturgeon Hall, Seabed Travel, Feel Pool and Ocean Theater.