Beijing Aquarium covers an area of 120,000 square meters, with 40,000 square meters of sites and 80,000 square meters of greenery.
This is equivalent to a square playground with a side length of 350 meters, and the building is a square playground with a side length of 200 meters.
The four sides measure 1.4 kilometers and the place measures 800 meters, an average of 1.2 kilometers.
If a person moves slowly at 4 kilometers per hour, 1.2 kilometers is equivalent to 0.3 hours, or almost 20 minutes.
Including taking your family or friends, look more carefully, talk while watching, and finish reading in 30-40 minutes.