The Arctic cold snap that has gripped much of the U.S. lately may be causing hardship for many, but it's also creating some spectacular ice formations at Niagara Falls. The spectacle is drawing huge crowds on both the Canadian and American side of the border.
The air temperature is so cold that the water and mist coming off the falls is frozen in place. Some of the formations look like massive boulders, others look like long shards of white glass.
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