Republic. The Servian Wall was originally built from large blocks of Cappellaccio tuff (a volcanic rock made from ash and rock fragments that are ejected...

terracing necessary to support the foundations of the temple. Much of the Cappellaccio tufa which forms the foundation of the Temple was probably mined directly...

61 m) in width: 27 . The roof was ridged by the joining of two slabs of cappellaccio to form a gable. This is a similar construction found in the Anio Vetus...

the wall was 11  km (7  mi) long. The original wall had been built in Cappellaccio tuff, the local stone, which was of rather poor quality because it is...

It crosses the Tiber between Pian due Torri (right bank) and Via del Cappellaccio (left bank), linking the Quartieri Portuense and Ostiense, respectively...

sideways and wouldn't spin, they would use the expression, "to do a cappellaccio." This literally means a 'large hat' or figuratively, having made ‘a...

of the original structure. Frank, however, maintains that though the cappellaccio tuff core may belong to the original building, the rest (besides some...