photos13
2013 FOZTUA International Conference
RAILROADS IN HISTORICAL CONTEXT
CONSTRUCTION, COSTS AND CONSEQUENCES
Foz Tua, 11-12-13 October
Foz Tua, Tua Valley, Alto Douro, Portugal.
2013 FOZTUA International Conference
RAILROADS IN HISTORICAL CONTEXT
CONSTRUCTION, COSTS AND CONSEQUENCES
Foz Tua, 11-12-13 October
Foz Tua, Tua Valley, Alto Douro, Portugal.