Iranian pro-government supporters march during the funeral of a young member of the Revolutionary Guards, Sajjad Shahsanai, in the city of Najafabad on January 3, 2018. A fifth night of unrest saw six protesters killed during an attack on a police station in Qahderijan in the central province of Isfahan, state TV said. At least three other towns near Isfahan also saw violence overnight, causing the deaths of a young member of the Revolutionary Guards, a policeman and a bystander. Photo credit: Getty Images
General view of Burj Khalifa New Year laser light show as Dubai breaks the Guinness World Record for the largest light and sound show on a single building on December 31, 2017 in Dubai, United Arab Emirates. Photo credit: Getty Images
A picture taken on December 31, 2017, show high-speed trains that will link Mecca to Medina, parked at a station in Saudi Arabia's holy city of Mecca. The train will cover the 450-km-long journey between Mecca and Medina in less than three hours. Photo credit: Getty Images
A policeman walks across debris after a big explosion razed five homes and shattered windows of surrounding buildings in the northern province of Bac Ninh on January 3, 2018. A baby and five-year-old girl were killed in the explosion that destroyed several houses east of Vietnam's capital Hanoi early on January 3, leaving at least six other people in hospital. Photo credit: Getty Images
A tourist looks out past the frozen railings at the Horseshoe Falls in Niagara Falls, Ontario on January 3, 2018. The cold snap that has gripped much of Canada and the United States has nearly frozen over the American side of the falls. Photo credit: Getty Images