Earl Bathurst eclipse gun site on guard searchlight building searchlight view generator room interior storage around the gun generator room steps down command post water intake feet Eling cloud lighthouse stackpole quay watch tower back lane Irish ferry Dale cave seconds to go awsome zig zag moon and crow red breast fence evening walk cathedral St Govans slit interior wet walk Christ! look up screen Cathedral in the rain St David's fog lifts irish ferry Pembroke Castle Castle navigation