Vermilion Cliffs National Monument, AZ / BLM Erosion sculpted striated sandstone "swirls"of the petrified sand dunes on Arizona's Colorado plateau under clouds at sunrise. 1008V2

Vermilion Cliffs National Monument, AZ / BLM Erosion sculpted striated sandstone of the petrified sand dunes on Arizona's Colorado plateau under virga rain clouds at sunrise. 1008V4

Vermilion Cliffs National Monument, AZ / BLM Erosion sculpted boldly patterned striated sandstone of the petrified sand dunes on Arizona's Colorado plateau. 1008V4