Although the New Republic managed to save Duros archaeologists from the Valley of Royalty, the Valley itself was flooded with toxic waste when the Tiercam Dam burst. The New Republic eventually liberated the planet, and put the system back in the Duro Sector. Ecosystem purification teams cleaned up the planet's. The Douro is one of the major rivers of the Iberian Peninsula, flowing from its source near Duruelo de la Sierra in Soria Province across northern-central Spain and Portugal to its outlet at Porto. Contents. [hide]. 1 History; 2 Geography. Human geography. 3 Economy. Dams. 4 Gallery; 5 See also; 6 References. MB. Plays. Downloads Davido Dami Duro Free Mp3 Download | Free Nigeria Mp3 Downloads.