A partially frozen American Falls is seen from Niagara Falls Ontario

A partially frozen American Falls is seen in Niagara Falls, Ontario February 17, 2015. Temperatures dropped to 6 degrees Fahrenheit (-14 Celsius) on Tuesday and the National Weather Service issued a Wind Chill Warning in Western New York from midnight Wednesday to Friday. Picture taken February 17, 2015. REUTERS/Lindsay DeDario (UNITED STATES – Tags: TRAVEL ENVIRONMENT)