Cows grazing on lush pastures with ornate metal bells gently tinkling around their necks may be one of the ultimate symbols of Switzerland, but not everyone is enchanted by such traditional scenes.- 'About tradition' - Cowbells were once seen as indispensable for keeping track of herds grazing on Alpine pastures, and while their usefulness has waned with the emergence of GPS trackers, they remain a powerful symbol of idyllic Swiss rural life.