Russia went $US39 billion over budget in staging the 2014 Sochi Olympics.
It’s the most expensive Olympics ever by far — beating the 2008 Beijing Olympics by nearly $US10 billion.
A significant portion of that cost came from the construction of nearly a dozen new venues.
Sochi was a resort town before it won the right to host the games. Two massive groups of venues had to be constructed essentially from scratch, at a high cost.
Some of the venues (the mountain ones especially) are spectacular. Others are a little bland.
It's a moveable arena, meaning it can be dismantled and reconstructed somewhere else after the Olympics.
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