KONO on Instagram: "When you get on an airplane, they have to pressurize the cabin, and here’s what that means for you: Airplanes pressurize the cabin by using bleed air, which is compressed and filtered air drawn from the engines. Or in newer aircrafts from electric compressors. This air is cooled, conditioned, and pumped into the cabin to maintain a pressure equivalent to about 6,000–8,000 feet above sea level, even when cruising at 35,000 feet. A controlled outflow valve regulates how much ai