One thing that is common in airports and airplanes is the cold. If you feel too cold in the airport, then the reasons behind it are quite interesting. The first reason is that a large number of people enter and exit airports every day, so a lot of heat is released from their bodies, so the temperature in airports is kept low to control the heat of the crowd and the proper functioning of the machinery. Similarly, most airports use cooling systems that also purify the air, with the aim of keeping the indoor air healthy. The bridges leading to the aircraft need to be kept cool for security and construction reasons
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