EMD GT22CU-3 (rebuilt GR12 from 1964, former FNC # 422, former STF # 1222 ) # 2404 and Clyde Engineering GL26C-2 # 2004 (former Queensland Rail #2106 built 1971) of the FCAB are pulling the empty boxcar train from Antofagasta to Bolivia over the Salar de Ascotan towards the chilean/bolivian border station of Ollagüe, on about 3730 meter a.s.l. In the background is the 5846 meter high stratovolcano Cerro de Azufre.