Mouth of the Nervion River from Vizcaya Bridge, a transporter bridge that links the towns of Portugalete and Getxo, Bilbao province, Basque Country, Euskadi, Spain. The River Nervión in Basque Nerbioi runs through the town of Bilbao, Spain into the Cantabrian Sea Bay of Biscay. Its lowermost course, downstream of its confluence with the Ibaizabal River, is known as the Estuary of Bilbao. (Sergi Reboredo / VWPics via AP Images)