We have a way of calling an experience “bittersweet” when it involves both sorrow and joy. Moroccan director Maryam Touzani has fashioned that idea into an explicit narrative method in her latest film Calle Málaga. The title is from a street in Tangier, a Moroccan city right across from Spain near Gibraltar, which has become legendary for its vibrant mixture of cultures. Many Spanish people emigrated there after the fascist victory in the 1930s. We meet an old woman, Maria Angeles, played by the veteran Spanish actress Carmen Maura, living in a spacious flat on Calle Málaga, in the midst…