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
Watching the River Flow composing protest songs. For Shelton, who noted the promotional photo for "Watching the River Flow" depicting Dylan looking through a camera, the track expressed Dylan's wish just to be an observer, and not a political activist. Author Seth Rogovoy similarly interpreted the song as Dylan's desire to ignore politics and avoid getting involved in people's disputes. The line "[This ol' river] keeps on rollin', though/No matter ... which way the wind does blow" has been heard by writers Peter Vernezze and Carl J. Porter as evidence of Dylan's conviction that "the river of time, the flow of facts, in reality