To this point, Unesco has solely eliminated three websites from the World Heritage Listing, and in every case, the difficulty centered on conservation. In 2007, the Arabian Oryx Sanctuary turned the primary website to be eliminated after Oman sharply decreased the protected space amid plans for oil exploration. In 2009, Dresden Elbe Valley misplaced its standing following the development of a bridge, which Unesco argued basically altered the panorama. And in 2021, Liverpool Maritime Mercantile Metropolis was delisted after disputes over waterfront redevelopment.
