The world’s deepest subway station in China is located in the municipality of Chongqing in southwestern China and is 116 meters deep, due to changes in air pressure, the subway stairs often cause the ears of users. are closed.
When the air pressure outside is different from the inside, the eardrums cannot withstand the change. This usually happens when you suddenly go deep.
This also happens when airplanes take off and land or when driving up and down hills.
Most subway stations do not typically experience this type of situation because they are not deep or steep and the shafts are not exposed to large enough air pressure differentials.
But after going into this deepest subway station in the world, your ears might be closed, because it is 116 meters below the surface of the ground, which is forty floors underground. It should be noted that after 400 days of work, it will be completed in 2022. The construction was completed.
