From base to summit, Yosemite's El Capitan is around 3,000 feet, and hiding the north celestial pole in this photograph. But follow the star trails, and you'll of course get a sense of where the north celestial pole is anyway. 

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Their short arcs reflecting the planet's daily rotation on its axis are traced in a digital stack of 36 sequential exposures. Linear trails of passing airplane navigation lights and a flare from car lights along the road below are also captured in the sequential stack. But the punctuated trail of light seen against the sheer El Capitan itself follows a climbing team on the night of November 8, 2013. The team is ascending toward the summit along The Nose, a historic rock climbing route.

Image credit: NASA