Pretty tile patterns

A beautiful pattern seen in the street tiles of Samianigo, Aragón.

You can see them yourself here: https://www.google.com/maps/@42.5204316,-0.3728206,3a,48.6y,116.91h,69.01t/data=!3m6!1e1!3m4!1svYgvhsrNCfPMzTSQS7L0pw!2e0!7i13312!8i6656