Lock of Crestuma-Lever Dam (1985). Hintze Ribeiro Bridge (1887), at Entre-os-Rios. Hintze Ribeiro Bridge (1887) and memorial to the v… Entering the lock of Carrapatelo Dam (1972). Carrapatelo Dam (1972), on Douro River. Carrapatelo Dam (1972), on Douro River. Carrapatelo Dam (1972), on Douro River. Railway bridge over Corgo River. The 1906 bridge over Pinhão River. PQR - quarry guard Valeira Dam. Road traffic bridge and Pocinho Dam. Arriving to Barca d'Alva, end of the cruise on Dou… Cruises terminal, at Barca d'Alva. Southern Theatre. Oroville Reservoir Boca Dam & Reservoir Mural painting on viaduct's pillar. Mural painting on pillar of viaduct. Detroit Dam O&S - Water tank Mourão Bridge across Alqueva Lake. Coachella Canal Bridge over Oeiras River. Twin towers. Ruins of abandoned copper mines. View over Douro River, its bridges and Vila Nova d… A view to Douro River and the 1963 Arrábida Bridge… Briwet Bridge / Pont Briwet View to Tagus River and the 17km long Vasco da Gam… View over Tagus River and April 25th bridge. Crane about to remove Christ monument. Tall Ships Race - departure from Lisbon. wst / dsm - Pooley Castles in the air 3 bridges. Lapa Bridge (Roman). Lapa Bridge (Roman). Marion Street Bridge Old Virginia City Flume Ajuda Bridge (1510). Amoreira Aquaduct (1622). Amoreira Aquaduct (1622). Amoreira Aquaduct (1622). Rolling in the bridge