61.   Much of the area lies below the level of the river and is protected by a network of dykes that have broken in the past causing widespread devastation.

62.   The attacks are clearly aimed at stoking the sectarian hatreds that lie just below the surface in this British-ruled province.

63.   The city lies below sea level and relies one a patchwork of ditches, floodgates, levees and pumping stations to keep the water out.