A wavelike ridge of hard snow formed by wind erosion on polar or high-altitude plains.
From Russian 'zastruga' (groove/small ridge). These sharp, frozen waves of snow can stretch for miles across Antarctica and make travel extremely difficult.
Frozen waves of SNOW carved by wind in Antarctica! They look like an ocean that FROZE mid-wave! Explorers have to cross miles of these jagged snow ridges. The polar landscape is a frozen ocean of sastrugi! 🏔️❄️🌊
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