The RhB line from Thusis, south of Chur to St. Moritz and the Berninabahn from St. Moritz to Tirano were incorporated into the UNESCO list of World Heritage Sites in July 2008. Ge4/4III No. 650 carries a commemorative UNESCO livery featuring a representation of Landwasser Viaduct on the side. The loco was photoographed at Bergün while working RE1140 from St. Moritz to Chur on 13 January 2009.