moscow

Russia's President Vladimir Putin (L) listens to explanations and looks at an exhibit as he visits the Cosmonautics Memorial Museum in Moscow, Russia, 11 April 2014.

Sergei Karpukhin/EPA

Russia’s President Vladimir Putin visits the Memorial Museum of Cosmonautics in Moscow. On Saturday, Russia celebrates Cosmonautics day which marks Yuri Gagarin’s pioneering flight into space.

TOPSHOTS Soldiers of the Presidential Re...TOPSHOTS Soldiers of the Presidential Regiment march during the Change of Guard ceremony at the Tomb of the Unknown Soldier in Moscow, on April 9, 2014. AFP PHOTO / KIRILL KUDRYAVTSEVKIRILL KUDRYAVTSEV/AFP/Getty Images

Kirill Kudryavtsev/AFP

Soldiers of the Presidential Regiment march during the Change of Guard ceremony at the Tomb of the Unknown Soldier in Moscow Read more

Models present creations by Russian designer Slava Zaitsev at the Mercedes-Benz Fashion Week Russia in Moscow...Models present creations by Russian designer Slava Zaitsev at the Mercedes-Benz Fashion Week Russia in Moscow March 27, 2014. REUTERS/Sergei Karpukhin (RUSSIA - Tags: FASHION)

Sergei Karpukhin/Reuters

Models present creations by Russian designer Slava Zaitsev at the Mercedes-Benz Fashion Week in Moscow, Russia

President Vladimir Putin speaks about Crimea...epa04130843 Russia's President Vladimir Putin arrives to sign a treaty with Crimean leaders on reunification with Russia in the Grand Kremlin Palace in Moscow, Russia, 18 March 2014. Crimea and Sevastopol will join Russia as two separate regions, President Putin said, adding that he would sign treaties immediately.  EPA/SERGEI ILNITSKY / POOL

Sergei Ilnitsky/EPA

Russia‘s President Vladimir Putin arrives to sign a treaty with Crimean leaders on reunification with Russia in the Grand Kremlin Palace in Moscow, Russia, 18 March 2014. Crimea and Sevastopol will join Russia as two separate regions, President Putin said, adding that he would sign treaties immediately.

A woman walks amidst chains as she views an art installation near the Gorky Central Park of Culture and Leisure in Moscow, March 14, 2014.

Maxim Shemetov/Reuters

A woman walks through an art installation near the Gorky Central Park of Culture and Leisure in Moscow, on Friday

Pro-Kremlin activists hold Russian national, Russian and Soviet naval flags and orange-black flags made of the St. George's Ribbons, a well-known Russian symbol of military valor, during a rally in support of ethnic Russians in Ukraine  in central Moscow, on March 10, 2014. Ukraine sought today urgent Western backing after Russian President Vladimir Putin insisted that Crimea had the right to join his country even while hinting at a readiness for dialogue.

Dmitry Serebryakov/AFP

Pro-Kremlin activists hold Russian national, Russian and Soviet naval flags and orange-black flags made of the St George’s Ribbons, a well-known Russian symbol of military valor, during a rally in support of ethnic Russians in Ukraine in central Moscow, on Monday.

Ukrainian recruits line up as they receive military instructions from a commander in a recruitment self defense quarter at Kiev's Independence Square, Ukraine, Tuesday, March 4, 2014. Russian President Vladimir Putin ordered tens of thousands of Russian troops participating in military exercises near Ukraine's border to return to their bases as U.S. Secretary of State John Kerry was on his way to Kiev. Tensions remained high in the strategic Ukrainian peninsula of Crimea with troops loyal to Moscow fired warning shots to ward off protesting Ukrainian soldiers. (AP Photo/Emilio Morenatti)

Emilio Morenatti/AP

Ukrainian military recruits receive instructions in Kiev’s Independence Square, Ukraine. Tensions remain high in the strategic Ukrainian peninsula of Crimea with troops loyal to Moscow firing warning shots to ward off protesting Ukrainian soldiers Read more

Military personnel, believed to be Russian servicemen, stand guard outside the territory of a Ukrainian military unit in the village of Perevalnoye outside Simferopol...Military personnel, believed to be Russian servicemen, stand guard outside the territory of a Ukrainian military unit in the village of Perevalnoye outside Simferopol March 3, 2014. Ukraine mobilised for war on Sunday and Washington threatened to isolate Russia economically after President Vladimir Putin declared he had the right to invade his neighbour in Moscow's biggest confrontation with the West since the Cold War. Russian forces have already bloodlessly seized Crimea, an isolated Black Sea peninsula where Moscow has a naval base. REUTERS/David Mdzinarishvili (UKRAINE - Tags: POLITICS MILITARY CIVIL UNREST)

David Mdzinarishvili/Reuters

Military personnel, believed to be Russian servicemen, stand guard outside the territory of a Ukrainian military unit in the village of Perevalnoye, outside Simferopol. Ukraine mobilised for war on Sunday and Washington threatened to isolate Russia economically after President Vladimir Putin declared he had the right to invade his neighbour in Moscow’s biggest confrontation with the west since the Cold War Read more

Russian punk group Pussy Riot member Nadezhda Tolokonnikova looks on as she stands outside Zamoskvoretsky district court in Moscow, on February 24, 2014, during a protest against the trial of eight people accused of instigating mass riots after an opposition rally on Moscow's on Bolotnaya square turned violent on the eve of Vladimir Putin's inauguration as president in 2012. A Russian court resumed today the sentencing of the eight anti-Putin protesters found guilty of mass riots as police detained dozens of people protesting against the trial.

Vasily Maximov/AFP

Russian punk group Pussy Riot member Nadezhda Tolokonnikova looks on as she stands outside Zamoskvoretsky district court in Moscow on Monday during a protest against the trial of eight people accused of instigating mass riots after an opposition rally on Moscow turned violent on the eve of Vladimir Putin’s inauguration as president in 2012.

Russian women enjoy a skating rink along a boulevard, one of them with a baby carriage in Moscow's Sokolniki Park, Russia, Thursday, Jan. 23, 2014.  The temperature in Moscow is minus 15 Celsius (5 Fahrenheit).

/Pavel Golovkin/AP

Russian women skating along a frozen boulevard in Moscow’s Sokolniki Park, Russia. The temperature in Moscow hit minus 15 degrees centigrade on Thursday