A Belarus' military helicopter flies during the Zapad military exercises, near the town of Ruzhany, some 235 km (147 miles) south-west of Minsk, on September 17, 2017. Russia and Belarus began an operation involving thousands of troops, tanks and aircraft on NATO's eastern edge practicing how to hunt down and destroy armed spies, among other maneuvers. (Photo by Sergei Grits/AFP Photo)
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