There's been much talk about security at Sochi Olympics. Photos of security measures in Sochi speak for themselves.
Security measures at Sochi Olympics
Military helicopters and vessels, anti-aircraft missiles, surveillance cameras, police, special forces and cossacks at Sochi Olympics
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A security guard patrols at the Sochi 2014 Olympic Games
© EPA/Michael Kappeler A bank of security cameras hang from a pole in Olympic Park
© AP Photo/Patrick Semansky Members of the Russian security forces
© EPA/HANNIBAL HANSCHKE Russian Cossacks on guard at the Rosa Khutor Alpine Resort
© EPA/FILIP SINGER EPA/FILIP SINGER Russian security forces shake hands with a Cossack as they patrol the streets
© AP Photo/Christophe Ena Russian special force police officers in Sochi
© EPA/ANATOLY MALTSEV Russian military watch the surrounding of the cross-country skiing venue from their anti-aircraft missile base
© AP Photo An anti-aircraft artillery of the Russian military is seen near Sochi
© EPA/Michael Kappeler Military helicopters cross the air space above the Olypmpic park in Sochi
© EPA/ANATOLY MALTSEV A Russian coast guard vessel patrols in the Black Sea off a beach in Sochi
© EPA/HANNIBAL HANSCHKE