This video shows a close-up of a tube with ants crawling around inside it. The tube appears to be made of glass or plastic and is transparent, allowing a clear view of the ants inside. The ants are black and are moving around in the tube, which is filled with a brown substance. The camera angle changes throughout the video, providing different perspectives of the ants and the tube. The focus is on the ants and the tube, with no other objects or background visible.