PURPOSE: sea ecology study position is provided to the entire sea of confirmation, under Ecology Action, ebb tide and increases tide and eyes. ;CONSTITUTION: a kind of natural sea at end is used to form between polystyrene paddy, whereinWater, which is moved into, to move out. A kind of counterfeit edition marine organisms and styrofrom are floated in water, when water comes in or is recessed downwards according to water level. Track or cable car are formed so that the two sides of observer's viewing. ;The 2013 of copyright KIPO submissions
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