> Certainly 7 cathedrals are too many to be a coincidence A very far-fetched claim without any proof. Simple answer: selection bias > Did the builders knew th

> Certainly 7 cathedrals are too many to be a coincidence A very far-fetched claim without any proof. Simple answer: selection bias > Did the builders knew the earth was round? If he had just googled that he would have gotten the answer, which is, of course, "yes"