The video shows a group of people riding bicycles down a rocky hill. The terrain is rough and uneven, with large rocks and boulders scattered throughout the path. The riders are wearing helmets and protective gear, indicating that they are engaged in a potentially dangerous activity and taking necessary precautions. The bicycles appear to be mountain bikes, designed for off-road cycling. The riders are moving at a steady pace, carefully navigating the challenging terrain. The video captures the thrill and excitement of the activity, as well as the skill and determination required to ride in such an environment.