A slow motion shot of a Longhorn Cow looking up as a herd with bell-shaped GPS location devices around their necks roam freely, grazing in a field in autumn sunshine

nature animal livestock wild free cow longhorn white brown grey gray horns graze grazing eat roam field park epping forest london england great britain uk united kingdom cattle herd long horn curved autumn green grass bell gps global position system device technology location fifty frames slow per second motion sunshine