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While most of us have spent the entire week complaining about how cold it is, on the other side of the world Niagara Falls has partially frozen over as a result of hugely sub-zero temperatures.
Incredible photos have emerged showing the waterfalls, which straddle the USA and Canada border, turning into a scene that looks like it could've been taken straight out of Disney's Frozen.
The temperatures around the falls have been around -4C which is pretty damn chilly, yet it's still nowhere near as cold as the -13C temperatures happening in Chicago and Minnesota right now.
On top of the icy formations left as the frozen water cascades over the top of the falls, steam can be seen rising from the river. This is because the water in the river is actually warmer than the air surrounding it, which is a fairly bizarre concept for us to get our heads round.
Despite the fact that it looks completely frozen over in parts, the water never really stops moving.
The unusual phenomenon itself isn't unique to Niagara Falls though, because these parts of the US and Canada are fairly familiar with these sub-zero temperatures, particularly at this time of year.
However, when it gets extreme - like in the polar vortex conditions of 2014 and 2014, there's no denying it's absolutely incredible.
At the beginning of January, the falls froze once again, and photographers rushed to take their shots. It's a good job they did. Have a look at some of these.
It's not just Niagara Falls either, as earlier in the week photos emerged of Lake Michigan completely frozen over.
The mercury got down to -17C in Chicago earlier this week, which is the coldest day recorded in the city for 150 years.
Perhaps we should stop complaining about having to put that extra jumper on after all.
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