Sennar Dam - Credit: Wikimedia Commons
The Sennar Dam is an irrigation dam on the Blue Nile near the town of Sennar in the Al Jazirah region of Sudan. The dam is long and has a maximum height of . It was designed by the Scottish engineer Sir Murdoch MacDonald, begun in 1914 and completed in 1925 by the British contractor S Pearson & Sons. Read more on Wikipedia
Source: en.wikipedia.org