A motor boat sails along the Yenisei River, with the air temperature at about minus 20 degrees Celsius (minus 4 degrees Fahrenheit), outside the Siberian city of Krasnoyarsk, Russia, on Tuesday
People walk across Red Square, with St. Basil’s Cathedral seen in the background, in central Moscow on Tuesday. The temperatures in the Russian capital reached as low as 6 C (42 F)
Russian Communist party supporters hold portraits of Soviet dictator Joseph Stalin as they take part in a ceremony to mark the 136th anniversary of his birth at Red Square in Moscow on Monday
British ESA astronaut Timothy Peake, Russian cosmonaut Yuri Malenchenko and US NASA astronaut Timothy Kopra prepare to get into Soyuz space craft simulator prior to pass final exams in the Russian cosmonaut training center in Star City outside Moscow, Russia, on Friday
From L: US astronaut Tim Kopra, Russian cosmonaut Yuri Malenchenko and British astronaut Tim Peake pose in front of Russian Souyz space vehicle simulator during a preflight training session at the Gagarin Cosmonauts’ Training Centre in Star City, outside Moscow
Russian nationalists shout slogans during “Russian March” demonstration during National Unity Day in Moscow, Russia
A Ukrainian serviceman visits an abandoned church in the Pisky village near Donetsk
Activists of the of nationalist Svoboda (Freedom) party hold a poster and their flags during a rally in Kiev, Ukraine, Wednesday. Ukraine is marking the ‘Defender of the Fatherland Day’
People walk across Red Square during a snowfall in Moscow on Friday
Russian President Vladimir Putin takes part in a gala opening match of the Night Hockey League new season in Sochi, Russia on Wednesday
A sniper of the Ukrainian National Guard takes up a position during a training session on the shooting range in the village of Stare, some 80 km from Kiev, Ukraine on Friday
An Yuri Kochetkov/Reuters
An honor guard opens the door as Russian President Vladimir Putin (R) enters a hall to attend a meeting with members of the Presidential Council for Civil Society and Human Rights at the Kremlin in Moscow, Russia, on Thursday.
An Interior Ministry member stands guard near the Moscow Grand Mosque before an opening ceremony in Moscow, Russia, on Wednesday. The new mosque, which was erected on the site of the city’s original mosque built in 1904 and which has been under reconstruction since 2005, will be able to accommodate up to 10,000 people simultaneously, according to local media.
A discharged Ukrainian serviceman kisses his girlfriend on a platform of Kiev railway station as he arrived in the capital after one year fighting at the eastern-Ukrainian conflict zone on Wednesday
Russia’s Soyuz TMA-18M spacecraft carrying the International Space Station (ISS) crew of Kazakhstan’s cosmonaut Aydyn Aimbetov, Russian cosmonaut Sergei Volkov and Denmark’s astronaut Andreas Mogensen from the European Space Agency blasts off from the launch pad at Russian-leased Baikonur cosmodrome on Wednesday
A boy stands by a wall sprayed with a graffiti depicting Russia’s President Vladimir Putin in the Crimean city of Simferopol on Tuesday.
Servicemen of the Kiev-1,Ukrainian volunteers battalion, take part in training exercises in Kiev on Friday
A mobile phone cover with a picture of Russian President Vladimir Putin and which reads “Mr President” is seen in this photo illustration taken a in hotel room in Kazan, Russia
A Russian Yakovlev Yak-130 Mitten subsonic two-seat advanced jet trainer performs on rehearsal day for the MAKS-2015, the International Aviation and Space Show, in Zhukovsky, outside Moscow, on Friday
A recruit of the far-right volunteer battalion Azov takes part in a competition in Kiev on Friday prior to leaving to the battle region in east Ukraine