Winter is not only a season of festivals, but also an occasion for adventurers and sports lovers to test their endurance by swimming through melting ice, exploring ice caves or skiing.
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| Svalbard, Norway:A sailboat floating on ice in Svalbard, Norway |
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| Haines, Alaska:Skiers are dropped off by helicopter on top of a mountain in Haines, Alaska. |
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| Vatnajokull Glacier, Iceland:A photographer explores a cave on the Vatnajokull glacier in Iceland. |
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| San Juan National Forest, Colorado:A skier climbs the steep slope of Ophir Pass in the San Juan National Forest. |
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| Antarctica:A diver swims through the ice in Antarctica. |
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| Kenai Fjords National Park, Alaska:A surfer in Kenai Fjords National Park, Alaska |
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| Birthday Alley, Greenland:A scientist stands in Birthday Alley examining a buildup of cryoconite — a sediment made of rock, soot, and bacteria that accumulates on ice and snow. |
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| Labrador, Canada:A man climbs an iceberg in Labrador, Canada. |
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| Antarctica:A man swims through melting ice in a protective suit. |
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| Vatnajokull Glacier, Iceland:Light reflections inside a cave on the Vatnajokull glacier |
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| Columbia Glacier, Alaska:A hiker on the Columbia Glacier in Alaska, where eroded sediment layers can be seen. |
According to TTO
