This architect's Mile High Center in Denver was completed in 1956; we'd like your initial reaction
How can they know how and when the universe started and 
what it ...... their way through jungles, and cross miles of high, stony desert, nearly 
all of it... [DOC] [TLE] When Biospheres Collide - NASA [PAR] might have been built by a dying civilization on a nearly dead planet.