Oracle, Arizona - Visitors tour Biosphere 2. People lived in the sealed Biosphere 2 for as long as two years in the early 90s as an experiment in deve

---

Oracle, Arizona - Visitors tour Biosphere 2. People lived in the sealed Biosphere 2 for as long as two years in the early 90s as an experiment in developing self-contained environments for space travel. Research on climate change is now done at the facility, which is owned by the University of Arizona.

---

Size: 5760px × 3840px
Location: Oracle, AZ, United States
Photo credit: © Jim West / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 2, america, arizona, biosphere, biosphere2, change, climate, desert, environment, greenhouse, horizontal, laboratory, oracle, research, science, sonoran, southwest, states, tour, united, university, usa