Chasing a train at high altitude in Peru. Eng sub

Chasing a train at the altitude of 4100 m in the Peruvian Andes. Arequipa region, between Cañahuas and Pampas de Arrieros stations
Photo of this train: https://trainpix.org/photo/307934/ https://intl.parovoz.com/newgallery/pg_view.php?ID=202412