Photos Of The Week #4

Police detain a supporter of Russian opposition leader Aleksei Navalny during a rally for a boycott of the March 18 presidential election in St. Petersburg on January 28. (Reuters/Anton Vaganov)

Supporters of Russian opposition leader Aleksei Navalny look out of windows during a rally for a boycott of the March 18 presidential election in St. Petersburg on January 28. (Reuters/Anton Vaganov)

U.S. Secretary of State Rex Tillerson takes part in a wreath-laying ceremony to commemorate International Holocaust Remembrance Day at the Warsaw Ghetto, Poland, on January 27. (Reuters/Kacper Pempel) 

A man guides his donkey and cart through heavy smog in Lahore, Pakistan. (Reuters/Mohsin Raza)

An Iranian climber scales an ice cliff and frozen waterfall at the Meygun ice-climbing club, northeast of the capital Tehran. (epa-EFE/Abedin Taherkenareh)

A Pakistani customs officer burns piles of confiscated contraband and narcotics destroyed during an event marking International Customs Day in Karachi on January 26. (Reuters/Akhtar Soomro)

Members of a winter-swimming club warm up on the banks of the Yenisei River ahead of their weekly bathing session in the Siberian town of Divno. (Reuters/Ilya Naymushin)

A woman walks outside amid the cold and snow in Bozhou, Anhui Province, China. (China Daily via Reuters)

Helicopters approach before the arrival of U.S. President Donald Trump at Zurich airport on January 25. Trump was on his way to attend the Davos World Economic Forum. (Reuters/Arnd Wiegmann)

A man swims in an ice hole in the Neva River with St. Isaac's Cathedral and Winter Palace in the background, in St. Petersburg, Russia. (AP/Dmitri Lovetsky)

A worker stands next to two metal onion domes during the renovation of a church in the historical center of Yaroslavl, Russia. (AFP/Mladen Antonov)

Three elderly women walk on a snowy street in Suzdal, Russia. (AFP/Mladen Antonov)

Libyans check the aftermath of a double car-bomb attack near a mosque in the eastern city of Benghazi on January 24. The death toll rose to at least 34, a hospital spokeswoman said. No group immediately claimed responsibility for the bombings. (AFP/Abdullah Doma)

Afghan police officers take position in Jalalabad following an attack against an office of the international aid agency Save The Children on January 24. At least two people were killed. (Reuters/Parwiz)

A shop owner climbs a ladder with a bucket of water as he tries to extinguish a fire that broke out at local market in Calcutta, India. The market was evacuated. Two men died in the blaze. (epa-EFE/Piyal Adhikary)

Locks hang covered with frost on a winter's day at a park in Minsk. (Reuters/Vasily Fedosenko)

A Syrian boy holds an oxygen mask over the face of an infant at a makeshift hospital following a reported chemical gas attack on the rebel-held, besieged town of Douma in the eastern Ghouta region on the outskirts of the capital, Damascus. At least 21 cases of suffocation, including children, were reported. Since the beginning of the war in Syria in 2011, the government of Bashar al-Assad has been repeatedly accused by UN investigators of using chlorine gas or sarin gas in sometimes lethal chemical attacks. (AFP/Hasan Mohamed)

U.S. Vice President Mike Pence visited Jerusalem's Western Wall on January 23. Pence reaffirmed U.S. President Donald Trump's December 6 declaration of Jerusalem as Israel's capital and pledged to move the embassy to the disputed city by the end of 2019. (AFP/Thomas Coex)

Ukrainians carry national flags on a bridge while forming a human chain across the Dnipro River during celebrations for Unity Day in Kyiv on January 22. (epa-EFE/Sergey Dolzhenko)

Tennis player Naomi Osaka of Japan in action against Simona Halep of Romania at the  Australian Open in Melbourne on January 22. (Reuters/Issei Kato)

U.S. Ambassador to Russia Jon Huntsman takes a dip as he marks Orthodox Epiphany at the New Jerusalem Monastery in the town of Istra outside Moscow on January 21. (TASS/Sergei Bobylev)

A man tries to escape from a balcony at Kabul's Intercontinental Hotel during an attack by gunmen in the Afghan capital on January 21. (Reuters/Omar Sobhani)