cupola di st pietro
The dome of St. Peter's rises to a total height of 136.57 metres (448.1 ft) from the floor of the basilica to the top of the external cross. It is the tallest dome in the world. Its internal diameter is 141.47 metres (464.1 ft), being just slightly smaller than two of the three other huge domes that preceded it, those of the Pantheon of Ancient Rome and Florence Cathedral of the Early Renaissance.
