Every great city is a restless work in progress, but nowhere is the urban impulse more in flux than in Berlin, that sprawling metropolis located on the fault line of history. A short-lived fever-dream of modernity in the Roaring Twenties, redubbed Germania and primped up into the megalomaniac fantasy of a Thousand-Year Reichstadt in the Thirties, reduced in 1945 to a divided rubble heap, subsequently revived in a schizoid state of post-World War II...