They’re smaller than seas and larger than ponds. Lakes are areas filled with water that are surrounded by land and one or more rivers which feed and drain the lake. Lakes are not connected to any ocean. Unlike rivers, their water is also not flowing.
Air travel has become the second most common form of private transportation. And every plane travel starts at an airport. There are now over 40,000 airports in the world. Curious to find out which of these belong to the ten most busiest airports on the