In the park, there is a very big tree that scares the children who play football. Its lanky silhouette, with dangling branches that seem like sharp claws, flares up their imagination. But the old man, who walks his dog everyday, is not scared at all. «It is only an old tree!» he tells Erwin. «You are young and nimble. You should climb to its top. You might get a nice surprise.» And in fact the tree conceals many secrets.

Themes: Fear / Learning