ONE:By noon, under the torrid blaze which takes the colour out of everything, exhaustion overpowers the city. Vehicles are rare; a few foot-passengers try to find a narrow line of shade close to the houses, and silence weighs on everything, broken only by the buzzing of flies, the strident croak of birds of prey.In a suburb of little houses beyond a great open square stands a gatewaya monumental portico of pink sandstone inlaid with white marble, on which the texts from the Koran, in black marble, look green in the intense light.