A gaggle of artificers emerged from the general mass, lugging several big square contraptions I hadn’t even seen before, which fired out a volley of thin colorful streamers that fell to the ground and then attached themselves there and lit up like runways. The artificers kept firing them off over and over, crisscrossing one another to create small sections covering the floor, all color-coded and marked with the numbers Liesel had assigned the teams; everyone started running to their places and lining up.