Complex sentence: Nowadays, Amada's son, Gabriel, visits everey years the wall of the castle wher his mather was executed, and he continues denouncing and spreading what happened to his mather, and the institution's lack of commitment to the victims of fascism in Galicia.
Split into simpler sentences: Nowadays, Amada's son, Gabriel, pays a visit to the wall of the castle where his mother was executed. He also works to spread awareness of his mother's story, and the political lack of commitment to the victims of fascism in Galicia.