National Geographic : 1940 Feb
©K.L.M. Royal Dutch Airlines TO THIS PATCH OF CONCRETE, BELOW SEA LEVEL, COME SHIPS OF THE AIR FROM EVERY QUARTER OFTHE COMPASS Schiphol, Amsterdam's newest airport, has become important for passengers, mail, and express by air. In normal times several hundred airplanes aday land here from European capitals, and from Africa, Asia, and Australia (page 290). The field is 13 feet below the sea and, likemost land inwestern Netherlands, isperfectly level. In the foreground, trenches for new drainage pipes have been dug where the field will be extended.