78 7 0Download size Original (2136 x 3216) Large (1920 x 2890) Medium (1280 x 1927) Small (640 x 963) Brown Rock Formation arizonablurbrightdawndaylightdesertduskeveninggeologyhigh angle shothorseshoe bendlandmarklandscapelightmountainnatureoutdoorsscenicskysunsettravelwater