sentence: The credits of the clip is shown. sentence:  A person cracks their hands. sentence:  Birds flock the sky above the dirt track. sentence:  A person's shadow  moves over the surface of a white trailer. sentence:  A person rides a dirt bike. sentence:   A person shovels dirt. sentence:  A person stands with sign at the end of the dirt race track. sentence:  A person lifts a dirt bike and places on a stool. sentence:  A male child runs and smiles. sentence:  A helicopter hovers over the race track. sentence:  A lady pulls on a rider's helmet. sentence:  The credits of the video are shown.