Kirk here with something for sunflower fans about and event in Yanagawa:
https://www.facebook.com/photo/?fbid=780399150759983
Yanagawa is just beyond the border with Kumamoto in Fukuoka prefecture. Yanagawa is also known for its canals, on which tourists can enjoy tours. For more information about that see the following page (which is the source of the second photo):
https://www.ana-cooljapan.com/destinations/fukuoka/yanagawarivercruising