A handout image from Abu Dhabi Tourism Development & Investment Company (TDIC) made available on September 27, 2015 by the United Arab Emirates News Agency (WAM) shows workers placing the final piece of the outer cladding of the dome structure of the future Louvre museum still under contruction on Saadiyat island, near Abu Dhabi. The museum is expected to open by the end of 2016. AFP PHOTO / HO / WAM == RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP/HO/WAM" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ==