""a canal linking the Nile to the Red Sea""
The Egyptian Pharao Hapsetsup (womman) was first on that canal.
And Queen Tomyris slained Cyrus The Great.
""Excavations In Iran Unravel Mystery Of 'Red Snake' ""
http://www.sciencedaily.com/releases/2008/02/080218155534.htm
""Until recently, nobody knew who had built the Wall. Theories ranged from Alexander the Great, in the 4th century BC, to the Persian king Khusrau I in the 6th century AD. Most scholars favoured a 2nd or 1st century BC construction. Scientific dating has now shown that the Wall was built in the 5th, or possibly, 6th century AD, by the Sasanian Persians. This Persian dynasty has created one of the most powerful empires in the ancient world, centred on Iran, and stretching from modern Iraq to southern Russia, Central Asia and Pakistan.""