EKATERINBURG ARENA, YEKATERINBURG: In an attempt to keep costs down, the stadium has 12,000 temporary seats. So far, so normal for a World Cup. However, those seats are on vast towers of scaffolding stretching over the walls of the main stadium, which could make being in the top row a vertigo-inducing experience. Reducing the capacity to 23,000 after the tournament should make life easier for local club Ural Yekaterinburg, which averaged crowds of just over 8,000 in the Russian Premier League this season.Capacity: 35,696 (Photo | AP)