"Shell (CivBE)"@en . . . "Shells are a basic sea resource that can be improved by a Bed. Yield Modifiers: \n* +1 File:20xCultureBE.png Culture \n* +1 File:20xCultureBE.png Culture from Bed"@en . "Shells are a basic sea resource that can be improved by a Bed. Yield Modifiers: \n* +1 File:20xCultureBE.png Culture \n* +1 File:20xCultureBE.png Culture from Bed"@en . . .