Pontcysyllte Aqueduct from the NW, 1979
The Northern arch, 1979
E side of Pontcysyllte Aqueduct from the N, 1979
The arch that failed at the South end of the aqueduct, after repair, 1979
The W side of Pontcysyllte Aqueduct from the S, 1979
Pontcysyllte Aqueduct - duck's view!, 1979
Pontcysyllte Aqueduct from the S end, 1979
The E side of Pontcysyllte Aqueduct from the S, 1979