Flying in at night over Moscow you can see how the shape of the city is a series of concentric ring-roads with the small ring of the Kremlin at the center. At the end of the twentieth century the light from the rings glowed a dim, dirty yellow. Moscow was a sad satellite at the edge of Europe, emitting the dying embers of the Soviet Empire. Then, in the twenty-first century, something happened: money. Never had so much money flowed into so small a place in so short a time. The orbital system shifted. Up above the city the concentric rings began to shine with the lights of new skyscrapers,
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