Men in straw capes wearing ferocious horned masks with gleaming eyes and long, pointed fangs stare down at a group of reporters. Others donning masks of a devil, monkey and a long-nosed tengu birdman squat as they pose for photographs during a news conference on Nov. 30 — the day after UNESCO added a group of 10 rituals featuring Raiho-shin (visiting gods) to its Intangible Cultural Heritage list.

From the famous Namahage deity of Oga, Akita Prefecture, to the exotic Paantou, the mud-caked, foul smelling gods of Okinawa's Miyako Island, the roster was an all-star lineup of some of the visually intriguing mythical creatures featured in festivals handed down through generations and practiced in communities across Japan.

It was also a rare occasion for the nation's peculiar festivals, or kisai, to come under the international spotlight, and an opportunity to showcase these unique traditions to a wider audience while they still exist. In graying Japan, many festivals are struggling to survive.