Dedicated group of bell ringers find centuries-old art appealing

What would attract a 20-year-old documentary filmmaker to change ringing, the centuries-old art of bell ringing that involves pulling on a rope, Quasimodo-style, to ring bells in a church tower, the largest one the size and weight of a Smart Car.
Moses Altmann, the youngest and newest member of a team of ringers at Our Lady of the Holy Rosary Cathedral in downtown Vancouver, moved recently to Vancouver and joined the parish, where he watched a practice.
“The first time I sat in on it,