Tree in silhouette.

---

Size: 3917px × 4800px
Photo credit: © MICHAEL MARTEN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: art, artwork, board, circuit, espionage, fly, mechanical, micro, micromechanical, micromechanics, nano, nanorobot, nanotechnology, spying, technology