One of these is different from the others but just not in a way you might guess - Chicago, Vienna, Istanbul, the North Pole.
Yes, it's the North Pole and what sets it apart from the others this week is that it's the warmest of the lot even though it is also the only one currently shrouded in 24-hour darkness. In the pitch dark temperatures in the high Arctic are expected to reach 5C.
Yes, this is the Arctic. The Arctic in January. In constant darkness at a balmy 41 degrees Fahrenheit. And, yes, like so many other weather records that are tumbling around our feet these days, it's unprecedented. Hmm, I wonder if something's up?
What do you think?