Sound of Falling kicks off the competition with an ambitious polyptych about four generations of families living in a German farmhouse. Photo: Fabian Gamper/Studio Zentral There are maids on the farm where Alma (Hanna Heckt), one of the quartet of main characters in Sound of Falling , is growing up — women in uniform who bustle around the house and the grounds. For Alma, a little girl with a solemn face and white-blonde braids, they’re as much a fixture of her home as her family members, and