The black walnut (Juglans nigra) trees have borne fruit in the bank of the Kamanashi River in the city of Nirasaki in Yamanashi Prefecture, Japan. https://en.wikipedia.org/wiki/Juglans_nigra; https://en.wikipedia.org/wiki/Juglans
Black walnut trees, Kamanashi River, Nirasaki, Yamanashi, 5/31/2025