13900999 - The Horse Collar Ruins with a sign warning to not disturb them due to instability, located between the Sipapu Arch Bridge and the Kachina Arch Bridge, Natural Bridges National Monument, Utah, United States of America, North America70184927 - Balance, Color, Colour, Concept, Concepts, Detail, Details, Equilibrium, Four, Four items, Hard, Hardness, Indoor, Indoors, Inside, Instability, Interior, Nature, Object, Objects, Pile, Piled up, Piles, Stack, Stacked, Stacks, Still life, Stone, Stones, T
