This plane tree has a trunk over 8 m in circumference and could be 500 years old.
It can be seen at the Château de la Bûcherie in the Oise department.

https://www.futura-sciences.com/planete/photos/botanique-15-arbres-remarquables-proteger-1836/arbre-platane-chateau-bucherie-oise-13284/

Difficulty ***