Massachusetts Institute of Technology (MIT) and Harvard University students have a snow ball fight in Cambridge, Massachusetts February 10, 2013 following a winter blizzard which dumped up to 40 inches of snow with hurricane force winds, killing at least nine people and leaving hundreds of thousands without power. REUTERS/Brian Snyder (UNITED STATES - Tags: ENVIRONMENT) Published: Úno. 10, 2013, 6:48 odp.