@CNN: It’s so cold in the Midwest that the Chicago River has frozen over and a Lake Superior ferry had to crunch through ice. But that didn’t stop these Wisconsin residents from waterskiing. https://t.co/XQflu37Dr0 https://t.co/P9SQKdccR9

@CNN: It’s so cold in the Midwest that the Chicago River has frozen over and a Lake Superior ferry had to crunch through ice. But that didn’t stop these Wisconsin residents from waterskiing. https://t.co/XQflu37Dr0 https://t.co/P9SQKdccR9