- 問題詳情:Oneanswertothequestionoflandshortagewassuggestedbyanorganizationsomeyearsago.Acitywastobebuiltatsea,housing30,000people.Thesuggestionwastoshapethecitylikeaharbor.Theouterwalloftheharborwouldstandonsteelcolumnsrestingontheseabed.Naturallythisc...
- 7003