sentence: Several people ride a line of horses on a vast field of green grass surrounded by trees and flat green land. sentence:   A visual of a street with two yellow lines painted on it and a graphic of  a brown and yellow weathervane appear with a backdrop of green fields and mountains. sentence:   Pictures of lone horses standing on the top of mountains appears intertwined with images and video of people riding horses, several of them wearing cowboy hats. sentence:   As the people ride horses a white tent can be seen along with horses and people crossing streams of water and vast spaces of green field before fading to another lone horse on a mountain.