Communist party supporters stand next to a monument to Karl Marx, center, and hold Soviet flags and portraits of Soviet founder Vladimir Lenin, right, during a demonstration marking the 100th anniversary of the 1917 Bolshevik revolution in Moscow, Russia, Tuesday, Nov. 7, 2017. Thousands of Communist demonstrators marked the centennial of the 1917 Bolshevik revolution Tuesday by marching across downtown Moscow.(AP Photo/Pavel Golovkin)