Montreal Biosphere, in Montreal, Canada. Built in 1967.
This sphere is 76 meters in diameter and 62 meters high.
2880×2160
[image source 2011-11-27 http://en.wikipedia.org/wiki/File:Biosphere_montreal.JPG ]
[Montreal Biosphere↗][ http://maps.google.com/maps?q=45.5140%2C-73.5315 ]
