Yes, KFC at the airport is generally more expensive than outside.

As a base for commercial transportation, the airport can be divided into three parts: flight area, ground transportation area and terminal area. The flight area is the area where aircraft move; the ground transportation area is the area where vehicles and passengers move; the terminal area is the area where passengers register, and is the joint between the flight area and the ground transportation area.

Airports come in different sizes. Smaller or immature airports usually have only one runway shorter than 1,000 meters. Large airports generally have runways more than 2,000 meters long, and will The runways are paved with asphalt, but smaller airports may have grass, mud or gravel on the runways. Generally speaking, larger aircraft require larger runways for landing and taking off. Currently, the world's longest civil airport runway is at Bangda Airport in Qamdo, Tibet, China. The road surface length is 5,500 meters, of which 4,200 meters meet the 4D standard. It is also the runway with the highest altitude, with a height of 4,334 meters.