If this is the right place, it’s quite a different view from today’s. From “On the St Lythans and St Nicholas’ Cromlechs and other remains near Cardiff.” JW Lukis, in Archaeologia Cambrensis 6.22 (April 1875).
Image credit: BS?C
location_on
photo
ondemand_video
forum
description
link
I'd love to say, but we seem to be having "access issues".