Russia's Prime Minister Vladimir Putin (C) rides a Harley Davidson Lehman Trike as he arrives for a meeting with motorbikers at their camp near Sevastopol in Ukraine's Crimea, July 24, 2010.

Russia's Prime Minister Vladimir Putin (L) fires darts with a crossbow at an endangered grey whale from a motorboat in Olga Bay in the Sea of Japan, August 25, 2010. Putin hit the whale with the darts designed to take skin samples while participating in a whale research study with members of the Kronotsky Biosphere Reserve off Russia's Far Eastern coast on Wednesday, according to local media.

Russian President Vladimir Putin flies in a motorized deltaplane at Yamalo-Nenets district September 5, 2012. Putin, who has tracked a Siberian tiger and posed with a polar bear, on Wednesday took his love of wildlife to new heights by flying with cranes - to lead them on a migration route.

Russia's President Vladimir Putin poses for a picture as he fishes in the Krasnoyarsk territory in the Siberian Federal District July 20, 2013.

Russia's Prime Minister Vladimir Putin sits in a car from the Renault Formula One team before test driving it at a racing track in Leningrad Region, November 7, 2010.

Russia's President Vladimir Putin (L) is seen through the glass of C-Explorer 5 submersible after a dive to see the remains of the naval frigate "Oleg", which sank in the 19th century, in the Gulf of Finland in the Baltic Sea July 15, 2013.

Russian President Vladimir Putin visits the "Laura" cross country ski and biathlon centre in the resort of Krasnaya Polyana near Sochi January 3, 2014.

Russian President Vladimir Putin smiles during a holiday in the Siberian taiga, Russia March 21, 2021. Sputnik/Alexei Druzhinin/Kremlin via REUTERS

Russia's Prime Minister Vladimir Putin (L) takes part in a training session for young ice hockey players before the start of the "Golden Puck" youth tournament finals in Moscow April 15, 2011. Putin donned skates for an ice hockey training session on Friday in the latest in a series of stunts which help to keep his approval ratings high. Picture taken April 15, 2011.

Russian President Vladimir Putin exercises in a gym at the Bocharov Ruchei state residence in Sochi, Russia, August 30, 2015. REUTERS/Michael Klimentyev/RIA Novosti/Kremlin

Russian President Vladimir Putin swims holding a fish he caught during the hunting and fishing trip which took place on August 1-3 in the republic of Tyva in southern Siberia, Russia, in this photo released by the Kremlin on August 5, 2017. Sputnik/Alexei Nikolsky/Kremlin via REUTERS

Russia's President Vladimir Putin is seen during his vacation in Sayano-Shushensky nature reserve in the Republic of Tyva (Tuva Region), Russia August 26, 2018. Picture taken August 26, 2018. Sputnik/Alexei Nikolsky/Kremlin via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. TPX IMAGES OF THE DAY

Russia's President Vladimir Putin lies on the snow during a walk with dogs in Moscow Region, March 24, 2013. Putin walked with Bulgarian shepherd and Akita Inu breeds of dogs, according to RIA Novosti news agency. Picture taken March 24, 2013. REUTERS/Alexsey Druginyn/RIA Novosti/Pool

Russian President Vladimir Putin looks at a crane as he sits in a motorised deltaplane at Yamalo-Nenets district September 5, 2012. Putin, who has tracked a Siberian tiger and posed with a polar bear, on Wednesday took his love of wildlife to new heights by flying with cranes - to lead them on a migration route. Picture taken September 5, 2012. REUTERS/Alexsey Druginyn/RIA Novosti/Kremlin

Russian Prime Minister Vladimir Putin feeds a young elk at the national park 'Losiny Ostrov' (Elk Island) in northeast Moscow, June 5, 2010. REUTERS/RIA Novosti/Pool/Alexei Druzhinin

Russian Prime Minister Vladimir Putin (R) assists in polar bear research during his visit to Alexandra Land on Franz Josef Land in the far north of Russia in the Barents Sea April 29, 2010. REUTERS/RIA Novosti/Pool/Alexei Nikolsky

Russia's President Vladimir Putin shakes hands with a walrus during his visit to the Primorsky Aquarium, which is under construction, on the Russky Island in the far eastern city of Vladivostok, September 1, 2013. Picture taken September 1, 2013. REUTERS/Alexei Nikolskyi/RIA Novosti/Kremlin

Russian Prime Minister Vladimir Putin shows a tiger cub to journalists at his Novo Ogaryovo residence outside Moscow October 9, 2008. The two-and-a-half month old female tiger was presented to Putin on his birthday and will soon resettle to a zoo, Russian media reported. Picture taken October 9, 2008. REUTERS/RIA Novosti/Pool

Russian President Vladimir Putin is seen during his holiday in the Siberian taiga, Russia October 7, 2019. Sputnik/Alexei Druzhinin/Kremlin via REUTERS.

A video grab shows Russia's Prime Minister Vladimir Putin looking through the porthole of the "Mir-2" mini-submersible at Lake Baikal, August 1, 2009. Putin dived into the depths of the lake aboard the mini-submersible on Saturday in a stunt that adds a new dimension to his carefully cultivated macho image. The judo black belt -- who has already conquered the skies in a fighter aircraft and shot a Siberian tiger in the wild -- will descend 1,400 metres (4,600 ft) below the surface of the world's deepest lake to inspect valuable gas crystals. Picture taken August 1, 2009.

Russian President Vladimir Putin drives a quad bike as he visits a reserve for Przewalski's horses outside Orenburg, Russia October 3, 2016. Sputnik/Kremlin/Alexei Druzhinin/ via REUTERS

Russia's President Vladimir Putin fishes in Tyva Republic in the Siberian Federal District July 20, 2013.

Russia's Prime Minister Vladimir Putin swims in a lake in southern Siberia's Tuva region August 3, 2009. Putin, a judo black belt who has flown in a fighter aircraft and shot a Siberian tiger in the wild, plunged into the depths of Lake Baikal aboard a mini-submersible on Saturday in a mission that added a new dimension to his macho image.

Russian President Vladimir Putin stands with a gun at a shooting gallery of the new GRU military intelligence headquarters building as he visits it in Moscow November 8, 2006.

Russian Prime Minister and president-elect Vladimir Putin takes aim with a model assault rifle at an electronic shooting range during his visit to a research facility of national railway company "Russian Railways" in Moscow April 26, 2012.

Russian President Vladimir Putin takes a dip in the water during Orthodox Epiphany celebrations at lake Seliger, Tver region, Russia January 19, 2018. Sputnik/Alexei Druzhinin/Kremlin via REUTERS

Russian President Vladimir Putin visits the cave of Arctic Pilots Glacier in Alexandra Land in remote Arctic islands of Franz Josef Land, Russia March 29, 2017. Sputnik/Alexei Druzhinin/Kremlin via REUTERS

Russian President Vladimir Putin and Belarusian President Alexander Lukashenko (R) play an ice hockey game at Shayba Arena in the Black Sea resort of Sochi, Russia February 15, 2019. Sergei Chirikov/Pool via REUTERS