A man walks past artificial palm trees during a winter storm in Philadelphia. Photo: AP
Delta flight 1086 is seen after it slid off the runway upon landing at New York's LaGuardia Airport. Photo: Reuters
US Postal Service mail carrier Willian Heredia delivers mail during snowstorm. Photo: AP
A woman stands inside the 7 subway train during snowfall in the Queens borough of New York. Photo: Reuters
Under heavily falling snow, officers with the Secret Service Uniform Division stand guard in front of the White House in Washington. Photo: AP
A man walks past Independence Hall during a winter snow storm in Philadelphia. Photo: AP