Question: Grosvenor House is a twin tower complex in Dubai Marina in Dubai, United Arab Emirates, the complex, which is owned by Sheikh Ahmed bin Saeed Al Maktoum,   is president of the Dubai Civil Aviation Authority, CEO and chairman of which organization, chairman of Dubai World, and Noor Takaful insurance company?
Sentence (from "Grosvenor House (Dubai)"): The two towers, Grosvenor House West Marina Beach and Grosvenor House The Residence, stand at the same height of 210 metres (690 ft) with 48 floors each.
Relevant evidence: No