Empty ore train V3 (vide train 3) including some loaded water tankers running through Boulenouar at PK 96 of the 650 kilometer long single track railroad from Nouadhibou to Zouérate. Pulling are SDL40-2 locomotives CC # 115 (built 1993), # 105 (built 1981) and # 108 (built 1988) in multiple control, each with 3000 HP. Empty trains run at up to 60 km/h on this line.This train had a passenger car and two staff cars in the far rear, in a dust of sand.