The video shows a group of crabs crawling around under a concrete wall. The crabs are of various sizes and colors, with some being light green and others being darker. They are moving around in the dirt and rocks, and some of them are climbing over each other. The concrete wall is gray and appears to be part of a larger structure. The ground is covered in dirt and rocks, and there are no visible plants or water sources in the area. The video does not show any human interaction or other types of animals.