- 问题详情:Oneanswertothequestionoflandshortagewassuggestedbyanorganizationsomeyearsago.Acitywastobebuiltatsea,housing30,000people.Thesuggestionwastoshapethecitylikeaharbor.Theouterwalloftheharborwouldstandonsteelcolumnsrestingontheseabed.Naturallythisc...
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