Here's the finish line after Saturday's women's cross-country skiing event, the skiathlon 7.5 km classic + 7.5 km free.
The three medalists, Norway's Marit Bjoergen, Sweden's Charlotte Kalla, and Norway's Heidi Weng, are all in there, as well as the athletes who finished fourth and fifth.
Cross-country is so physically grueling that athletes traditionally collapse the second they cross the finish line.
It makes for some surreal photos:
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