Against the wall of the Grottoes of the Sibyls , he built rectangular pools with powerful water jets , the tallest jets in the center .
In the 1930s the architect Attilio Rossi created the present fountain , using what remained of Bernini 's cascade .
Against the wall of the Grottoes of the Sibyls , Bernini built rectangular pools with powerful water jets , the tallest jets in the center .
In the 1930s the architect Attilio Rossi created the present fountain , using what remained of Bernini 's cascade .