I often walk up Frogwelldown Lane, which is an ancient route leading north out of Oxford. It was here, on the night of 3rd June 1644, that King Charles I and a large contingent of his troops fled from the Parliamentarians who were besieging Oxford. The lane, now just a narrow track, emerges onto Spring Hill and it was here, one autumn evening, that I saw these patterns in a newly-ploughed field.

Continuing up the hill we come to an ancient oak tree standing majestic and alone.

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