Kids for Climate Action was founded by Sophie Harrison, who also organized this flash mob, and led the progress. The children divided into "oil" and "animals", and sang as the oil marched down upon the animals, where they frolicked on the beach. Then then attacked them with water guns, until the animals died dramatically, and they sang their way back up to the laughing men sculptures.
The voice singing (first) is Ta'Kaiya Blaney, who blessed us with her beautiful song, Shallow Waters.
Kids For Climate Action