Tigris–Euphrates river system border. Since the 1960s and in the 1970s, when Turkey began the GAP project in earnest, water disputes have regularly occurred in addition to the associated dam's effects on the environment. In addition, Syrian and Iranian dam construction has also contributed to political tension within the basin, particularly during drought. The general climate of the region is subtropical, hot and arid. At the northern end of the Persian Gulf is the vast floodplain of the Euphrates, Tigris, and Karun Rivers, featuring huge permanent lakes, marshes, and forest. The aquatic vegetation includes reeds, rushes, and papyrus, which support numerous species. Areas
Euphrates Viaduct Euphrates Viaduct The Euphrates Viaduct is a motorway bridge across the Euphrates between Belkıs, Nizip, Gaziantep Province and Birecik, Şanlıurfa Province in Turkey. Built up to 2007, it is the longest river bridge in Turkey. Buses and other cars going from the three big cities (Istanbul, Ankara and Izmir) to Diyarbakır, play an important role on this viaduct. Cars going to Diyarbakır can also use the Kömürhan Bridge which carries state roadway between Malatya and Elazığ. The viaduct is a part of the Adana-Gaziantep-Urfa Motorway, which will be extended up to Habur border gate in the Iraqi border/frontier. The viaduct