What will happen to many of the Sochi venues after the Olympics is an open question. These photos from Sarajevo are a dark reminder of just how temporary an Olympic games can be.

But after the world's TV sets tune out, some of these cities do not have the infrastructure for upkeep of the venues. In the case of Sarajevo, Bosnia, some Olympic sites were torn apart by war.

An curved arrow pointing right. Every two years, the world convenes on a single city to cheer on the world's greatest athletes. After the races have been won and the medals handed out, the city ...