Tour CB21
Tour CB21 , formerly Tour Gan , is an office skyscraper located in La Défense , the high-rise business district situated west of Paris , France . 
<triplet> Tour CB21 <subj> skyscraper <obj> instance of <subj> France <obj> country <triplet> La Défense <subj> business district <obj> instance of <subj> France <obj> country <triplet> Paris <subj> France <obj> country