The US side of the Niagara Falls is seen after the Polar Vortex that brought record low temperatures to the areaReutersThe Chicago skyline is framed by icicles after a blast of Arctic air shattered decades-old temperature recordsReutersA boat floats in front of a house during flooding at Bury near Pulborough, near Horsham, West SussexReutersSnowy bank of Siberia's Yenisei River where temperatures stand at minus 20CReutersHot lava from Mount Sinabung volcano floods through trees near Berastepu village in Indonesia's North Sumatra provinceReutersLong-exposure photo captures star trails as Mount Sinabung volcano eruptsReutersA bear eats frozen fruits as it cools off in Rio de Janeiro zoo where temperature hit 35CReutersWorkers from Chile's National Forestry Corporation called to a forest fire in Bollenar 40 miles southwest of SantiagoChileA Kolibree connected electric toothbrush at the 2014 International Consumer Electronics Show (CES) in Las Vegas. The smart toothbrush uses an accelerometer, gyroscope and magnetometer to track how well users brush their teethReuters International Kite Festival in MumbaiReutersPamela Duggan, the mother of Mark Duggan, weeps outside the High Court in London after an inquest jury ruled that Mark Duggan, whose death sparked riots in 2011, was lawfully killed by policeReutersDevotees struggle to hold the Black Nazarene during a procession in Manila. The Black Nazarene, a life-size wooden statue of Jesus Christ carved in Mexico and brought to the Philippines in the 17th century, is believed to have healing powers in the predominantly Roman Catholic countryReuters