railway road. ferrocarril de antofagasta a bolivia. chiguana salt flat. potosi department. bolivia

adventure alpine altitude america andean andes antofagasta blue bolivia bolivian border chiguana chile chilen cold desert excursion expedition exploration ferrocarril flat landscape loneliness mountain mountains nowhere old outdoor panorama potosi potosashy rail railway road salar salt scenic solitude south southamerica sunny tourism tourist touristic track train transportation travel trip uyuni