What fireworks look like, after the fact. Lunar New Year celebrations here in San Francisco have their share of noise, from bursts of fireworks at random moments day and night, to the loud drumming of Chinese New Year dragons. The dragons, actually small crews of men and women in a lengthy collective outfit, bring wishes of good fortune to neighborhood businesses, and provide teachable performances about diversity at elementary schools. The fireworks sound is itself generic, a modest martial ratatatat that suggests a confined gun battle. What marks the fireworks culturally is the detritus, the red paper strewn on sidewalks a visual echo of the annual clamor.An ongoing series cross-posted from instagram.com/dsqt.