The pearl divers of Bahrain collect fresh water from springs on the sea bed.

Just outside of Dezful in Iran there is a stretch of road that doubles as an airstrip. You drive along this quiet country raod an suddenly it widens into a runway for well over a mile. There is a line right down the middle which had a strange fascination for motorists. One time a couple of trucks colided head on because they were both straddling the line.