crowd of people in costume standing on a sidewalk outside a building

crowd of people in costume standing on a sidewalk outside a building. Some people are dressed in anime or cartoon character costumes. Some are standing or sitting against a closed metal gate. Two people dressed as police officers stand among the crowd. The officers wear dark blue outfits, helmets, goggles, and black face coverings, and one carries a rifle. A few people walk by on the sidewalk. The building's overhang is dark brown. The sidewalk is made of concrete.