i suggest using the same portable Olympics every 4 yrs - and only bankers will compete

"In spite of all this [building] recycling, the London Games are set to become the most over-budgeted Games since 1996 and the most expensive Games yet, costing $14.8 billion, Time reported. No matter what austerity measures officials claim they'll take, Time and the Atlantic argue that hosting the Games is generally a bad bet for cities, financially. That probably matters little, however, as it seems to be a bet that cities find difficult to turn down." - London Olympic Buildings Designed to Disappear Afterward