The largest airports in the Europe

In present, almost all of larger towns in the continent have airfield. The same is in USA, Canada or Australia. Buying flight tickets is a lot more common for everyone, then it was 15 years ago. But there are some large airports in the world, extents of it are often larger then size of a little town. Airports like that are able to send tourists to antipodes with one cruise! They are so big, that sometimes you may need a map to avoid getting lost.