This video captures a small toy train with a white and blue exterior as it moves along a track. The train is surrounded by a large number of brown, segmented insects that are crawling on the ground. The insects are densely packed and appear to be moving in the same direction as the train. The video is taken from a close-up angle, focusing on the train and the insects. The train moves steadily forward, and the insects seem to be following its path. The video has a timestamp in the top left corner that reads "2020.12.15 11:55".