Biosphere 2: The Sealed World Experiment
0:46
YouTubeEcho Trace
Biosphere 2: The Sealed World Experiment
Biosphere 2. 1991. 8 people sealed inside a closed ecosystem glass dome for 2 years. No outside air. No outside food. No outside help. A true story documentary about the most ambitious real events experiment in human history — and the oxygen crisis that changed everything. Watch the full documentary on the channel. ⬆️ #shorts #biosphere2 ...
1.5K views4 months ago
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