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Airport conveyor systems intended for human use are typically designed to move in only one direction, so they are often paired. In other cases, there will be one conveyor moving in each direction and a third that is capable of reversing direction to account for excessive foot traffic. It is also sometimes possible to intentionally stop a moving walkway, at which point it simply provides extra space for people to walk normally in one direction or another.
Krakow tours
Krakow tours