The main industry of lands around this river was devastated by the influx of Phylloxera and Powdery mildew in the 19th century, although that industry was helped by the earlier Methuen Treaty.
Jean Clottes claims that the valley of this river's tributary, the Coa, contains Europe's largest open air site of Paleolithic art, and its Maria Pia Bridge was built by Gustave Eiffel. A tributary of this river gives its name to the aristocratic family which was accused of attempting to assassinate King Joseph I in the 1750s, and its Pisuerga River tributary flows through Valladolid. The main industry of lands around this river was devastated by the influx of Phylloxera and Powdery mildew in the 19th century, although that industry was helped by the earlier Methuen Treaty. Among the historically important names associated with this river are the aforementioned tributary, the Tavora, and the cities of Braganza and Tordesillas which lie on it. Beginning in the Soria Province, this river flows through the meseta plateau region before flowing through Vila Nova de Gaia and ► another city at its mouth. For 10 points, name this Iberian river which begins in Spain and reaches the Atlantic at Porto.
Jean Clottes claims that the valley of this river's tributary, the Coa, contains Europe's largest open air site of Paleolithic art, and its Maria Pia Bridge was built by Gustave Eiffel.
Douro River [or Durius]