Inside The Subway Zion

Vertical photograph from inside a large tube like formation carved into red rock. The lower three quarters of the image show a stream flowing in the bottom of the tube and cascading into large, green pools where autumn leaves circle on top. The upper quarter of the image shows a rock face as the tube curves to the right. The Subway, Zion National Park, Utah.
Autumn colors in the Left Fork of North Creek as it flows through The Subway in Zion National Park, Utah.
Streams - Rivers