The video shows a caterpillar with black and yellow stripes crawling on a grey concrete surface. The caterpillar moves slowly and steadily, with its body contracting and expanding as it progresses. The concrete surface is textured with small pebbles and specks of dirt. The caterpillar's body is segmented, with visible setae (hair-like structures) on its back. The video is taken from a close-up angle, focusing on the caterpillar's movements.