'8 people in Arizona were sealed into this in September 1991, hoping to live inside it for 2 years'
Biosphere
1991: 8 people in Arizona were sealed into this in September 1991, hoping to live inside it for 2 years
8 people in Arizona were sealed into this in September 1991, hoping to live inside it for 2 years
8 people in Arizona were sealed into this in September 1991, hoping to live inside it for 2 years
1991
Biosphere
1991