The magnificent Pontcysyllte Aqueduct is one of the great testaments to Industrial Revolution ingenuity — and as beautiful as it is impressive. Jack Watkins takes a look.
Popular photographs of the Pontcysyllte Aqueduct show walkers blithely passing along its narrow towpath and canal boats inching along an 11ft-wide trough as their occupants airily gaze into the far distance, as if it was the most natural thing in the world to be 130ft up in the air with nothing…