| Ostia77 | Pope Julius II (15th Century) built this diamond-shaped fortress just outside Ostia. The structure used bricks and lime made from burnt marble salvaged from Ostia's buildings. |
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| Ostia77 | Pope Julius II (15th Century) built this diamond-shaped fortress just outside Ostia. The structure used bricks and lime made from burnt marble salvaged from Ostia's buildings. |
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