Barn Owl (Tyto alba) roosting in a dead tree in North Yorkshire, UK.

---

Size: 3413px × 5120px
Photo credit: © STEVE ALLEN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1967, 20th, adult, aerospace, american, atomic, ban, black, black--white, bomb, caucasian, century, compliance, device, engineer, engineering, engineers, equipment, historical, history, human, industry, limited, ltbt, machine, male, man, men, monitoring, monochrome, nds, nuclear, people, person, physical, physics, science, space, systems, technician, technicians, technological, technology, test, treaty, trw, vela, weapon, white, worker, workers, working