Johanna Nordblad, 42, Finnish freediver swims under ice during a Ice-freediving training session on February 28, 2017, in Somero (southwest Finland). The ice is about 45cm thick, water temperature +1ºC. Johanna Nordblad holds the world record of freediving under ice with bathing suit with 50m distance. (Photo by Olivier Morin/AFP Photo)
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