In this file photo taken on August 12, 2012 Athletes run in front of Big Ben and the Palace of Westminster during the men's marathon at the London...
{"Image ImageDescription": "(FILES) In this file photo taken on August 12, 2012 Athletes run in front of Big Ben and the Palace of Westminster during the men's marathon at the London 2012 Olympic Games. - Olympic hosts face crippling costs comparable to \"deep disasters\" such as earthquakes and pandemics and urgent action is needed to safeguard the future of the Games. That is the stark warning from Oxford academics, who say the current model for the four-yearly event is unsustainable. The most costly Summer Games to date, according to the September 2020 report, was London 2012, at $15 billion. For the Winter Games, Sochi 2014 tops the list, at an eye-watering $21.9 billion. (Photo by Daniel GARCIA / AFP) (Photo by DANIEL GARCIA/AFP via Getty Images)"}