North drifting mass actors (1 / 1). The four disciples of Tang Monk went to the west to learn the Scriptures and came to Sanlitun, Beijing. The weapon rods in their hands turned into small clamps for picking up rubbish, and the white dragon horses, led by them, were carrying dustbins on their bodies, and the baggage for carrying them became garbage cans. Passers-by appreciated the practice of four teachers and apprentice, and encouraged them to carry out environmental protection in the end.