phosphate freight cars at Redeyef, Tunisia, late 1900s

The station, the terminus of the 44 km railway from Métlaoui, was opened in 1907, and this postcard probably dates from not long after.  Redeyef's main revenue comes from the mining of phosphate, about 8 million tonnes a year and the world's 5th largest producer. Redeyef also sees a daily passenger train, popular with tourists because it traverse the scenic Gorges de Selja, info and pics here