Russian President Dmitry Medvedev prepares to dive with an underwater camera in the river Volga in Russia's Astrakhan region August 16, 2011. Medvedev and Prime Minister Vladimir Putin went for a walk on the river bank in the Astrakhan region in southern Russia, did some spin fishing and then set off for a boat trip to take underwater pictures. Picture taken August 16, 2011. (Xinhua/Reuters Photo) More images after the break...