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The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts. (Bertrand Russell)
yep Istanbul is the prettiest megacity there is, its just so damn pedestrianised and full of old restored buildings, along with new ones. There are loads of similar streets - but that's one of the most famous ones as it was precursor to the rest getting the makeover. The mayor is a trained modern architect, but tellingly, he restores the old and repairs the postwar mistakes.