I saw that pic somewhere yesterday. Not sure where it was taken but the cars are driving on the wrong side of the road (unless someone flipped the image). Still a pretty amazing shot.
Doh! You're right. The pic I saw yesterday was indeed flipped, because several others commented on it, too. This one is the same photo, just flipped the right (go USA!) way.
I think that's just the tops of the trees sticking out. The willow(?) trees on the right hand side of the road look like the crown of a single tree instead of a thicket of smaller ones.