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A close-up of a dry, arid limestone soil texture with visible small rocks.
Serpula,calcareous tubeworm, serpulid tubeworm, fanworm, or plume worm is a genus of sessile, marine annelid tube worms that belongs to the family Serpulidae.
Serpula,calcareous tubeworm, serpulid tubeworm, fanworm, or plume worm is a genus of sessile, marine annelid tube worms that belongs to the family Serpulidae.
Aerial view of a deep limestone gorge, canyon. Cheile Turzii, Romania
Calcareous limestone background of various sizes in orange and yellow colors. High quality photo

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