whAt wAs suggEstED ABout thE ConstruCtion oF A nEw City At sEA A.thE City wAs to BE DEsignED togEthEr with A hArBor. B.thE wAlls ArounD thE City woulD BE mADE oF stEEl AnD glAss. C.thE BuilDings oF thE City woulD rEst on A FloAting islAnD. D.thE pEoplE woulD livE in tAll BuilDings surrounDED By A wAll.