'You can take a tour under the glass of this Arizona facility seen <a href="http://www.j-archive.com/media/2008-05-02_J_23.jpg" target="_blank">here</a>'
Biosphere 2
SPHERES: You can take a tour under the glass of this Arizona facility seen here
You can take a tour under the glass of this Arizona facility seen here
You can take a tour under the glass of this Arizona facility seen here
SPHERES
Biosphere 2
SPHERES