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"archaeological_site"=>"megalith","megalith_type"=>"dolmen","ref"=>"D3","wikidata"=>"Q2309476"
"archaeological_site"=>"megalith","heritage"=>"2","heritage:operator"=>"rce","megalith_type"=>"dolmen","ref"=>"G1","ref:rce"=>"421079","wikidata"=>"Q4514809"
"archaeological_site"=>"megalith","megalith_type"=>"dolmen","ref"=>"G3","ruins"=>"yes","wikidata"=>"Q21158628"
"archaeological_site"=>"megalith","megalith_type"=>"dolmen","ref"=>"D6","wikidata"=>"Q2403312"