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Inside the tower 1: Roman Lens Flare, in Pisa, Tuscany, Italy more
A slit in a wall with a wider part at the bottom like this usually means an original arrow-slit was later widened to take a cannon. You can see that the walls are thick.
| 333x500 | 103K | jpg free download |
| 120x180 | 22K | jpg free download |
| 133x200 | 22K | jpg free download |
| 512x768 | 231K | jpg free download |
| 683x1024 | 411K | jpg free download |
| 800x1200 | 535K | jpg free download |
| 1067x1600 | 924K | jpg free download |