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Crabs soldiers rolled sand thousands of small balls
Crab soldiers lives in Malaysia and Australia. To build a house, Krabi has to digging deep burrows in the sandy beaches. During construction in the hole accumulated a lot of excess sand. To remove the excess sand crab soldiers making beads, and then pushes them to the surface, 2-3 balls at a time. Eventually, when accumulate a lot of balls, crab rolls them farther and farther away from their home, forming a bizarre picture.
Source: udivimir.rf
via factroom.ru
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