 Despite Baku's booming economy and wealth of oil, its candidacy was considered a long shot.Concerns centered on infrastructure, budget of the games (which can inflate easily), and the close proximity of Baku to the European city of Sochi, Russia, which hosted the 2014 Winter Olympics.While Baku is an Asian city, it may be too close to Sochi as the IOC tries to rotate the Games to different continents.