Nanjing Underwater World, Public aquarium near Purple Mountain, Nanjing, China.

Nanjing Underwater World is an aquarium housing thousands of marine creatures from tropical and polar seas in a variety of exhibits and tanks. The facility displays different ocean habitats where visitors can see how these animals live in their natural environments.

The facility opened in the 1990s as a partnership between private investors and local authorities. Since then, it has become an established destination for marine education and leisure in the city.

The exhibitions focus on marine life and how different species live in their natural habitats, showing visitors the contrast between tropical and polar environments. You can observe how creatures from around the world have adapted to their specific ocean zones.

The aquarium stands at No. 8 Sifangcheng, Xuanwu District, on the south slope of Purple Mountain inside the Zhongshan Scenic Area, a short walk from the Ming Xiaoling Mausoleum. The site is four stories tall, with the 1,000-seat Dolphinarium covering 1,500 square metres. The 74-metre acrylic tunnel is 3 metres wide and 2.4 metres high, so allow time to walk it slowly.

The acrylic walkway through the ocean tank is 74 metres long, 3 metres wide and 2.4 metres high, curving through 4,000 cubic metres of water holding more than 100 species. The mascot "Zaizai", a polar bear, appears throughout the site.