British megalith architecture
There are many parallels between the prehistoric architecture of Ireland and the now British regions of Cornwall ( including the Isles of Scilly ) , the Isle of Man , Wales and Scotland; but there are somewhat greater differences between those and the sites in England and , particularly , the Channel Islands . 
<triplet> Cornwall <subj> Isles of Scilly <obj> contains administrative territorial entity <triplet> Isles of Scilly <subj> Cornwall <obj> located in the administrative territorial entity