Igloo Structure Diagram - Traditional Inuit Snow Shelter Design #2365260 (License: Personal Use)

This illustration shows a traditional Inuit igloo constructed from precisely cut snow blocks arranged in a spiral, forming a self-supporting dome. The entrance features a low, arched tunnel that traps warm air inside while minimizing heat loss. The structure exemplifies ingenious Arctic architecture optimized for insulation and wind resistance.

Used on educational pages about indigenous Arctic cultures, survival techniques, or winter shelter design; matches user intent for learning how igloos are built, their function, or cultural significance.