Russian President Vladimir Putin walks with a mushroom in his hand during a short vacation in the remote Tuva region in southern Siberia on Aug. 26, 2018, in a photo released by the Russian state news agency.

Russia's President Vladimir Putin dips in the icy waters of Lake Seliger in Russia's Tver region during the celebration of Epiphany, Jan. 19, 2018.

Russian President Vladimir Putin and Defense Minister Sergei Shoigu fish in the remote Tuva region in southern Siberia, during his 2017 August vacation, in a photo released by the Russian state-owned news agency, Sputnik.

Russian President Vladimir Putin hunts fish underwater in the remote Tuva region in southern Siberia, during his 2017 August vacation.

Russian President Vladimir Putin hunts fish underwater in the remote Tuva region in southern Siberia, during his 2017 August vacation.

Russian President Vladimir Putin scores a goal during the 'Night League' teams ice hockey gala match in Sochi, May 10, 2017.

Russian President Vladimir Putin looks through a window of a research bathyscaphe while submerging into the waters of the Black Sea as he takes part in an expedition near Sevastopol, Crimea, Aug. 18, 2015.

Russia's Prime Minister and President-elect Vladimir Putin aims at a target with a replica of Kalashnikov assault rifle in Moscow, April 26, 2012, while visiting a shooting gallery at an exhibition of Russian Railways' research center.

Russian Prime Minister Vladimir Putin rides a horse during his vacation outside the town of Kyzyl in Southern Siberia, Aug. 3, 2009.

Russian President Vladimir Putin gestures as he visits the pyramids outside Cairo, April 27, 2005.

Russian President Vladimir Putin trains in Sambo Wrestling in Novo-Ogaryovo Presidential Residence in June, 2002.

Russian President Vladimir Putin during a physical training session in a gym at his country residence in Novo-Ogaryov in the Moscow region, June 16, 2003.

Russian President Vladimir Putin, in the cockpit of an su-27 fighter jet which he flew to Grozny in Chechnya, March 2000.