Explaining Everything on Instagram: "The video features five workers in uniform performing a coordinated, high-speed cleaning of a moving escalator. They use brushes, cloths, and cleaning tools in perfect synchronization—stepping precisely on the treads, wiping and scrubbing as the escalator moves. It starts looking messy and dirty, but in just a few seconds (under 10), the entire escalator emerges shiny and spotless. It's one of those super-satisfying, ASMR-like clips that highlight incredible