In the evening, Rebuilt Sentinel railcar No.261 performing international passenger service between Tacna (Peru) - Arica (northern of Chile), cross the bridge over the Lluta river, near the international border. Originally built in the 1936, the Sentinel has been substantially improved in passenger comfort who travel the 63 kilometers (39 miles) between Arica and Tacna. Even so, it is still a "rustic" route and one that could improve much more.
