The video shows a group of people wearing helmets and carrying lights on their heads as they navigate through a dark cave. The cave walls are rocky and uneven, and the group appears to be carefully making their way through the cave. The light from their helmets illuminates their faces and the cave walls, creating a stark contrast between the light and the dark. The group seems to be moving in a single file, with one person leading the way and the others following closely behind. The sound of their footsteps and occasional chatter can be heard in the background.