| 1 | This wall was built of paving-stones. | |
| 2 | The Egyptian Pyramid was built with 200,000 pieces of marble. | |
| 3 | Perhaps Percy Fawcett was in the right place but looking for the wrong thing: stone cities. | |
| 4 | The first stone town hall was built in 1679 but badly destroyed at the time of WWII. | |
| 5 | These blocks often feature irregular sizes that are made to interlock as a unit, giving the feel of random natural stonework. |