 The replacement of missing structures (e.g., fountain, pulpit) as required by "stylistic restoration" was an urgent necessity from a practical viewpoint in the case of mosques, irrespective of whether their original shape was known or not, because religious observation was to be resumed in them after the completion of restoration by the Comité.There is a continuous debate going on about the theory and practice of architectural conservation all over the world, in which various, widely differing views and standpoints are voiced, often depending on the given circumstances.In its theory and practice the Comité followed the latest standards represented in the Western world.