70sscifiart:1982 concept art for a toroidal space colony
70sscifiart:1982 concept art for a toroidal space colony -- source link
Tumblr Blog : 70sscifiart.tumblr.com
70sscifiart:1982 concept art for a toroidal space colony -- source link
Tumblr Blog : 70sscifiart.tumblr.com