Astropolis under construction, 1975
Cities in the sky
"Various types of space city have been proposed. This one, shown under construction at L5, is based on a scheme suggested in 1975. It will provide a comfortable place for 10,000 people to live in."
"Various types of space city have been proposed. This one, shown under construction at L5, is based on a scheme suggested in 1975. It will provide a comfortable place for 10,000 people to live in."