
The exterior of the Caltech Submilimeter Observatory atop Mauna Kea is chock full of triangles, squares, hexagons, curves, lines, etc. You could check it out, except that it’s invisible! Well, it is now, because it was decommissioned in 2015, and last year was dismantled and removed.
Posted for Becky’s Squares: Geometric. See more responses here.







































