Reuben Wu recently photographed LED drones over Bolivia’s Salar de Uyuni salt flats to produce a fascinating series of “aeroglyphs.”

The glyphs are produced by piloting drones mounted with LEDs in an exact pattern while keeping the shutter open to produce a long exposure, a technique popularly known as light painting.

While light painting is often strongly emphasized to evoke a wow factor, Wu’s images are hauntingly elegant and simple.

WIRED has the story here.