Researchers from the Russian Hydrometeorological Institute, Roshydromet, had to flee from their Arctic station on Monday when the ice floe they were working on started to vanish from under their feet.

The scientists, who are studying pollution in Russia’s Arctic region, had been on the ice for more than a month when the emergency struck and they had to pack up their equipment and evacuate. The whole process took less than three hours, the camp organizers say.

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A helicopter lifted the equipment, which included a meteorological laboratory and a shed, from the ice onto nearby icebreaking research vessel the Akademik Tryoshnikov.