File:Aerial_photograph_60D_2012_05_13_8760_DxO_retusche.jpg · Wikimedia Commons · See Wikimedia Commons
Also known as LtHo, lighthouses, light house, light houses, light-house, light-houses
thumb|300px|Barnegat Lighthouse at the coast of [[Ocean County, New Jersey, U.S., facing the Atlantic Ocean at sunrise]] thumbnail|Aerial drone footage of the Roman Rock Lighthouse off the southern coast of South Africa.
A lighthouse is a tower-shaped structure built on coasts or rocky areas that uses light to guide ships safely through dangerous waters. Lighthouses have been essential for maritime navigation, helping prevent shipwrecks and protecting both vessels and the people aboard them.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).