Chicago, USA. 21st January 2014. Icicles formed by waves from the latest lake effect storm drape the seawall at North Avenue Beach as snow blows in front of the city's downtown skyline. The polar vortex has returned bringing frigid temperatures. Credit: Todd Bannor/Alamy Live News

- Image ID: DR8D24

Chicago, USA. 21st January 2014. Icicles formed by waves from the latest lake effect storm drape the seawall at North Avenue Beach as snow blows in front of the city's downtown skyline. The polar vortex has returned bringing frigid temperatures. Credit: Todd Bannor/Alamy Live News

Todd Bannor / Alamy Stock Photo

Image ID: DR8D24

Location: Chicago Illinois USA