Smoke on the Water

At dawn on the last day of the festival, the boat is set on fire.   Robert Kelly

Every three years (this being one of them), southern Taiwanese communities engage in a centuries-old festival that has been abandoned by most of the rest of China, the boat-burning festival. It is a ceremony meant to keep plague and disease away: http://www.bbc.com/travel/slideshow/20121011-taiwans-boat-burning-festival