A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses and used as a navigational aid for maritime .\r
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A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses and used as a navigational aid for mar.\r
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Lighthouses - A visible warning against shipping hazards (Guide to Safety) Lighthouses - A visible warning against shipping hazards (Guide to Safety) .
