I think it’s really the photography that does so much of the heavy lifting here, set amidst the verdant and pristine Galician hillsides to where “Amador” (Amador Arias) has recently returned. He has been in prison for arson and so isn’t exactly welcome back to his mother’s smallholding where she lives with her dog and three cows. “Benedicta” (Benedicta Sánchez) has the looks of a frail old woman, but she is made of hardy stock and so greets her son back home in a style that rather prevails throughout this whole film. Without fuss, fanfare or much dialogue. Indeed, what passes for…