Hanoi’s 9,000-sqm indoor aquarium open to public

Encompassing an area of 9,000 square meters, this aquarium serves as a sanctuary to tens of thousands of sea creatures, spanning across 400 different species.

Source: VNExpress International,
https://e.vnexpress.net/news/places/hanois-9000-sqm-indoor-aquarium-open-to-public-4637437.html