OpalMirror:
Dish and Hills
OpalMirror:
Tower
OpalMirror:
Arecibo Radio Telescope Panorama #2
OpalMirror:
James and the Giant Dish
OpalMirror:
Miguel, Leeza and Sara
OpalMirror:
Arecibo Radio Telescope Panorama #1
OpalMirror:
Dome Sweet Dome
OpalMirror:
Arecibo Observatory Seal