Head noun: rock
Postmodifier: of gibraltar

Same concepts
http://dbpedia.org/resource/Rock_of_Gibraltar

Broader concepts

labelprovenanceconfidence
western europeisap:3072165400.569010
monolithic limestone promontoryisap:1879849510.336500
horseisap:902203860.286607
imageisap:911232190.259443

Narrower concepts

labelprovenanceconfidence