I mean, sealed terrariums are and have been a known thing for a long time. If you look more into it, 50 years doesn't seem all that implausible. To me, the most

I mean, sealed terrariums are and have been a known thing for a long time. If you look more into it, 50 years doesn't seem all that implausible. To me, the most amazing part is keeping something around for that long.