Dossier2-18 eng Published %A %B %e%q, %Y at 286 × 383 in A history of the self-portrayal of Barcelona Photo: Pérez de Rozas / AFB. Altar built in the square of Pius XII in Diagonal, on the occasion of the Eucharistic Congress of 1952. Photo: Pérez de Rozas / AFB. Altar built in the square of Pius XII in Diagonal, on the occasion of the Eucharistic Congress of 1952.