PAN RIGHT TO LEFT AS TEENAGED BOY RIDES BICYCLE THROUGH SHADY FOREST OR WILDERNESS THEN TURNS AWAY FROM POV AND RIDES ACROSS FALLEN TREE TRUNK OR LOG. BOY WEARS SILVER HELMET. - HD 映像素材

PAN RIGHT TO LEFT AS TEENAGED BOY RIDES BICYCLE THROUGH SHADY FOREST OR WILDERNESS THEN TURNS AWAY FROM POV AND RIDES ACROSS FALLEN TREE TRUNK OR LOG. BOY WEARS SILVER HELMET. BIKE IS CHROME PLATED AND HAS LONG, HIGH HANDLEBARS AND SIDE VIEW MIRRORS. PINE TREES, BRUSH, FERNS AND BARK IN DENSE FOREST. STUNTS. RIDERS. MOUNTAIN BIKING.