seven wonders known in the middle ages:
1-The Colosseum in Rome
2-The Catacomb of Alexandria
3-The great wall of China
4-The ruins of Stonehenge in England
5-The leaning Tower of Pisa
6-The Porcelain Tower of Nanking in China
7-The Mosque of Saint Sophia at Constantinople in Turkey
1-The Colosseum in Rome
2-The Catacomb of Alexandria
3-The great wall of China
4-The ruins of Stonehenge in England
5-The leaning Tower of Pisa
6-The Porcelain Tower of Nanking in China
7-The Mosque of Saint Sophia at Constantinople in Turkey