صوت مشترک

constructed legs on the research station to keep it above the ground. You see, if the snow gathered on the structure, it would freeze into ice, eventually covering the entire thing. But the legs let snow pass underneath, and if the snow begins to pile up, hydraulics raise the legs one at a time, while snow is compacted beneath them until the whole thing is lifted. And if a crack begins to form in the ice nearby, ski-like feet enable it to be towed one section at a time before then it's put back