SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/border> <http://dbpedia.org/resource/Lake_Mead> . ?x <http://dbpedia.org/ontology/city> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Valley>}
What cities are around the valley bordering Lake Mead?
SELECT DISTINCT ?f WHERE { ?l property:city ?f . ?l property:border resource:Lake_Mead . ?l rdf:type ontology:Valley }
Las Vegas, Blue Diamond, Nevada, Henderson, Nevada, North Las Vegas, Nevada, Whitney, Nevada, Nevada, Callville Bay
The cities around the valley bordering Lake Meadare are [Las Vegas, Blue Diamond, Nevada, Henderson, Nevada, North Las Vegas, Nevada, Whitney, Nevada, Nevada, Callville Bay].
Cities on the edge of Lake Midare [Las Vegas, Blue Diamond, Nevada, Henderson, Nevada, North Las Vegas, Nevada, Whitney, Nevada, Nevada, Calville Bay].