Armani hotel opens in Dubai's Khalifa tower Luxury 160 room hotel a welcome addition amidst troubled debut of world's tallest skyscraper. By ASSOCIATED PRESS APRIL 27, 2010 16:20 NBurjKhalifaHotelDubai311 (photo credit: NAP) DUBAI, United Arab Emirates— A luxury hotel crafted by designer Giorgio Armani opened Tuesday as the first landmark tenant in the world's tallest skyscraper.The 160-room Arman