Competing at an Olympics is Watch Salyut 7 Onlinea serious affair, not that it seems to worry Fabian Bösch too much.

The 20-year-old Swiss skier isn't due to compete until next Sunday in the men's Slopestyle event, so in the meantime he's having a bit of fun -- or you could call it a spot of training.

Here's Bösch casually holding onto the rail of an escalator, except he's not on the steps, instead hanging off the side. The dude has a strong right arm.

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It's not the only time Bösch has pulled off a stunt for Instagram, even if the risk of injury would probably send any coach into a conniption.

Like somehow climbing on top of the Olympic rings for a photo.

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And pretending to luge, except the luge is a pallet truck.

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Given the death-defying tricks Bösch does in his sport, the stuff he does in his free time is relatively mild.

Here he is at the X Games in Aspen back in January with a ridiculous triple cork flip. I n s a n i t y.

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