Doesn’t it sometimes seem that folks at the South Pole are always smiling? Well, for many, getting to spend time at the Pole—extremely cold temperatures notwithstanding—is the dream of a lifetime. Still, this group shot above shows summer crew about to leave for warmer climes. Maybe that’s why they’re smiling. Below, you might not be able to discern a mouth, but you can immediately tell that there’s a smile on the face peeking out from the polar bear costume. That’s Kate Miller, a teacher visiting through the PolarTREC program, wrapping up her trip with some dress-up fun—generating false animal sightings (you’ll find no actual polar bears or penguins at the South Pole).