A column of Russian troops prepares to leave the checkpoint at a bridge over the Inguri River in Western Georgia, in October 2008, after securing the secession of Georgia's breakaway South Ossetia region. Levan Gabechava/Reuters/Landov hide caption

itoggle caption Levan Gabechava/Reuters/Landov

Residents of the Estonian capital of Tallinn can use public transportation for free after purchasing a special card for 2 euros. Raigo Pajula/AFP/Getty Images hide caption

itoggle caption Raigo Pajula/AFP/Getty Images