https://www.cnet.com/news/intel-drone-light-show-shooting-star-bellagio-ces-2018/

After the lights went dark in the Monte Carlo resort's Park Theater, a buzzing army of 110 small drones with flickering red lights started to float up to the ceiling from offstage.

While Kygo's dreamy pop song "Stargazing" played, the drones pulled together into pulsing, swirling clouds that reached into the audience, at times forming rotating stars or shimmering sheets of light.