The video shows a person riding a bicycle down a rocky trail. The trail is surrounded by large rocks and boulders, and the rider carefully maneuvers the bike around them. The rider is wearing a yellow shirt and a helmet for safety. The trail is narrow and winding, with steep drops on either side. The surrounding landscape is lush and green, with trees and shrubs lining the trail. The rider's movements are smooth and controlled, indicating experience and skill in mountain biking.