Oneanswertothequestionoflandshortagewassuggestedbyanorg...
問題詳情：Oneanswertothequestionoflandshortagewassuggestedbyanorganizationsomeyearsago.Acitywastobebuiltatsea,housing30,000people.Thesuggestionwastoshapethecitylikeaharbor.Theouterwalloftheharborwouldst...