He approached the tree and noticed the carvings. He ran his fingers slowly over a bird, a bell, and what appeared to be a horse with no legs. He’d been told by a botanist at the natural history museum that a beech tree’s thin, smooth bark grew slow, preventing cracking. So a mark made on a beech would still be there decades later. Many of the carvings were filled with moss, others warped from decades of growth.

