A German shepherd police dog runs atop an abandoned car, which is used as an obstacle, during trials at the regional police cynologist centre on the suburbs of Russia's Siberian city of Krasnoyarsk, February 5, 2011. Police dogs go through a series of tests to be prepared for future police spot-checks which will be conducted in the city. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY ANIMALS MILITARY CRIME LAW)