Edit: There was a lot of liturgical and architectural experimentation going on before the Second Vatican Council. Here is one such attempt, sixty years hence.
This is the 60th Anniversay of the 35th International Eucharistic Congress in Barcelona -- this is a monumental altar which is today the Plaza of Pius XII along The Avenue of the Generalissimo (now Diagonal) in Barcelona. It was the first Eucharistic Congress after World War II. Courtesy Francisco de Morandé
