x1 pertains to/reflects the culture/geography of the British Isles/the Anglo-Celtic Isles (Insular culture), possibly including Brittany (especially in its early British history), in aspect x2.
x1 pertains to/reflects the culture/geography of the British Isles/the Anglo-Celtic Isles (Insular culture), possibly including Brittany (especially in its early British history), in aspect x2.