Cwm Prysor Viaduct IR

The old Trawsfynydd - Bala viaduct at Cwm Prysor. Photographed in infra-red.

The old Trawsfynydd – Bala viaduct at Cwm Prysor. Photographed in infra-red.

The old Trawsfynydd – Bala viaduct at Cwm Prysor. Photographed in infra-red.