first-person perspective of a person riding a gravity-powered cart on a track that goes uphill

first-person perspective of a person riding a gravity-powered cart on a track that goes uphill. The track is made of metal rails and is situated in an outdoor environment with dry grass and some trees. In the foreground, the rider's legs are visible, with one leg slightly bent and the other extended. They are wearing sandals and socks. The rider is holding a smartphone in their hands, which is positioned between their legs. Another person's legs are visible next to them, to the left, wearing sneakers and socks. The cart itself appears to be made of dark material with green accents. The track extends upwards into the distance, where other carts or riders can be seen far away. The sky is clear and blue, suggesting a sunny day.