A swan pushing the turtles of the wood log at the pond making them fall in the water.
Submitter records a small snail in his aquarium, gliding upside down on water surface underwater without breaking water tension due to its propulsion of viscous ooze as means of movement
Submitter records a piece of honeycomb comb leaning on a wall while its sweet thick honey drips down
Air bubble in a hand gel bottle goes upward.