Police officers detain a woman during an unsanctioned rally in the center of Moscow, Russia, Saturday, July 27, 2019. Russian police are wrestling with demonstrators and have arrested hundreds in central Moscow during a protest demanding that opposition candidates be allowed to run for the Moscow city council. (Photo by Pavel Golovkin/AP Photo)

A view of the Lakhta Center multifunctional complex under construction in St Petersburg' s Primorsky District and a cable stayed bridge of the Western High- Speed Diameter toll motorway in St Petersburg, Russia on March 5, 2018. (Photo by EPA/EFE/Rex Features/Shutterstock)

A frosty sunset is seen through icicles in Peremilovo village, 65 km (40,6 miles) north of Moscow, Russia, Sunday, December 16, 2018. Temperatures in the Moscow region on Sunday dropped to –12 degree Celsius (10 Fahrenheit). (Photo by Alexander Zemlianichenko/AP Photo)

Russia's Soyuz-FG booster rocket with the space capsule Soyuz TMA-16M that will carry a new crew to the International Space Station (ISS) is transported from the hangar to the launch pad in Russian leased Baikonur cosmodrome, Kazakhstan, Wednesday, March 25, 2015. (Photo by Dmitry Lovetsky/AP Photo)

Russia's Alexandra Stepanova and Ivan Bukin perform during the ice dance free dance program at the Rostelecom Cup ISU Grand Prix of Figure Skating in Moscow November 15, 2014. (Photo by Grigory Dukor/Reuters)

Jakelyne Oliveira, Miss Brazil 2013 performs onstage during the Miss Universe 2013 preliminary competition in Moscow, Russia, 05 November 2013. The final of the 2013 Miss Universe Pageant will take place at the Crocus City Hall in Moscow on 09 November. (Photo by Sergei Ilnitsky/EPA)

“Winter shapes, Moscow river”. Moscow river at this part is never covered by ice. When the temperature is very low it's possible to see a strong fog. Morning light and pipes of the oli factory creates a fantastic landscape. Photo location: Moscow, Russia. (Photo and caption by Sergey Rumyantsev/National Geographic Photo Contest)

Sjinkie Knegt of Netherlands, left, and Park Se-Yeong of South Korea crash out as they compete in a men's 1500m short track speedskating final at the Iceberg Skating Palace during the 2014 Winter Olympics, Monday, February 10, 2014, in Sochi, Russia. (Photo by Bernat Armangue/AP Photo)