Snow blankets Athens, Greece as a sudden cold spell sweeps the country.<br/> <br />Temperatures in the capital fell to five degrees Celsius and were expected to drop to minus 13 in the northern part of the country.<br/> <br />The cold is threatening Greece's homeless population, which has grown an estimated 25 to 30 percent since the economic crisis began in 2009.<br/> <br />Municipalities have set up projects to help, including implementing emergency cold weather plans.<br/> <br />"Without a doubt the situation is much more severe than before," says the director of Athens homeless projects.<br/> <br />Aid workers are handing out food, clothes and blankets, but say they need all the help they can get encouraging those on the streets to go to temporary shelters.