WINNIPEG (CBS) — Yoga is popular for its stretching as it is a great way to warm up for a run or other exercise.

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However, after this yoga, the yogis were looking for even more of a warm up.

That’s because these yogis gathered in minus 5-degree weather in Winnipeg on Sunday.

They went through their poses on a frozen lake, listening to the cracking ice as they assumed their positions.

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During the 45-minute class, winds gusted up to 60 mph.