. Cars cross a bridge over the Volga river in the town of Rzhev, Tver region, Russia, on Dec. 9, 2015.
. A Chinese military policeman wears a mask to protect against pollution during the daily flag lowering ceremony in Tiananmen Square in Beijing on Wednesday. Unhealthy smog hovered over downtown Beijing as limits on cars, factories and construction sites kept pollution from spiking even higher Wednesday, on the second of three days of restrictions triggered by the city's first red alert for smog.
. President Barack Obama plays host to a Hanukkah reception at the White House in Washington on Wednesday.
. Gyrocopters fly over Dubai during the World Air Games 2015, on Wednesday.
. Syrian rebel fighters sit on a bus as hundreds of civilians and rebel forces began evacuating the last opposition-held district of Waer in the central city of Homs, under a deal with the Syrian regime, on Wednesday. According to Talal Barazi, Homs' governor, some 700 people -- including 400 women and children and 300 fighters -- would be evacuated from the district, after a deal reached earlier this month between rebel forces and Syrian President Bashar al-Assad's regime.
. A family crosses the Greek-Macedonian border, near the town of Gevgelija on Wednesday. Greek police launched an operation to remove a thousand migrants gathered at the border with Macedonia, after Skopje introduced a system of filtering those who can cross the frontier by nationality.
. An Indian Sikh devotee takes a dip in the holy sarover (water tank) during dense fog at the Golden Temple in Amritsar on Wednesday.
. A Sri Lankan worker makes firecrackers in the village of Kimbulapitiya, on the outskirts of Colombo on Wednesday. Although Sri Lanka's traditional New Year is celebrated in April, fireworks are in demand for the December 31 celebration with hotels organizing upmarket year-ender parties and Christmas Day.
. Lamon Reccord acknowledges fellow protesters while being released by Chicago police officers during a march calling for Chicago mayor Rahm Emanuel and Cook County State's Attorney Anita Alvarez to resign on Wednesday in Chicago. Reccord was taken into custody, which prompted protesters to block the vehicle that was housing Reccord.
. A ferris wheel is reflected in water as part of the Christmas holiday illuminations in Nice, southeastern France, on Wednesday.