Valle de los Caídos III (Cuelgamuros), Madrid. (2016)
The Valley of the Fallen, a monument to the heroes of Francoism, is the site of the largest mass grave in Spain. Built by the forced labour of political prisoners, and inaugurated on 1 April 1959, it contains the remains of 33,833 people, transported from all over Spain, among them the fascist leader of the Spanish Falange José Antonio Primo de Rivera, and later Francisco Franco himself was buried here.