Pebbles.

Inuksuk (also spelled inukshuk, plural inuksuit) is a type of stone landmark or cairn a figure made of piled stones or boulders constructed to communicate with humans throughout the Arctic. Traditionally constructed by the Inuit, inuksuit are integral to Inuit culture and are often intertwined with representations of Canada and the North. A red inuksuk is found on the flag of Nunavut. In Inuktitut, the term inuksuk means "to act in the capacity of a human."

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