(ANSA) - BELGRADE, JAN 8 - Germany is experiencing a cold snap: Berliners awoke to a city blanketed in snow for days, with temperatures dropping to -9 degrees Celsius, and snowstorms caused chaos in Hamburg. Public transport in the Hanseatic city is severely disrupted, with buses and subways running irregularly, and all schools will be closed tomorrow due to severe weather forecasts. Bremen's classes are also expected to be suspended on Friday. Local media are reissuing a media alert, warning of the risks, including those caused by ice. (ANSA).