Staircases, keck, center
Jorge Mendoza · 3456×5184
Stairs, carpets, keck
Jorge Mendoza · 5184×3456
Spiral Staircase, Keck Center (U.S. National Academies)
Telescopes on Mauna Kea at sunset
Harrisimo · 1024×253
The Keck Telescope: mirroring the universe
GovdocsGwen · 771×1024
