As promised earlier:
The area where the breach occurred is clearly visible between the towers (the lighter grey area.) At least one of the towers had a defensive gun on top of it.
View from below - perhaps the duck offers some scale to the image!
Ennepe Dam, one of the secondary targets for the raid.
Finally:
Sorpe Dam graphic, perhaps showing why it was more difficult to breach than the other 2 primary targets, being of a different construction type. Mention is made of the Dams raid in the 4th paragraph:
During the Second World War the Dam was significantly damaged by air strikes, and was prone to leaks. These leaks have since been eliminated through several extensive restructuring measures
