The swimming pool in the Institute of Physical Education is for competition, so it is standardized and managed at ordinary times. The water is clean and the price is not expensive. . .

Standard swimming pool

The competition has an audience, but the practice has no audience. The size, specifications and equipment of the swimming pool should meet the competition standards. Generally, the plane size of the pool is 2 1mX 50m and the water depth is1.8m..

Inference is no more than 2 meters.

O(∩_∩)O Thank you