26 photos that show how some Olympic venues are left abandoned after the games end

Ioanna Sakellaraki / Barcroft Im / Barcroft Media via Getty Images

It can be an expensive and potentially damaging undertaking for a country to host the Olympics. This year's games in Paris are costing just $10 billion, according to CNBC. While that's nothing to scoff at, it's a mere fraction of the $55 billion Brazil reportedly spent in 2016.