(CNN) -- He has been caught on camera firing a tranquilizer dart into a Siberian tiger and has co-piloted a fighter jet. Now Russian Prime Minister Vladimir Putin has added to his action-man credentials with a series of photographs showing a recent adventure vacation to Siberia.
Among the officially-released pictures, the former president and judo master is seen riding topless on horseback, breaking firewood with his knee, driving a speedboat and swimming in a river.
For Putin, who will be 57 in October, the vacation comes just days after he took a diving trip to the bottom of the world's deepest lake, Lake Baikal, in a military submarine.
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