Typical representatives are:
1. The Stonehenge in Wiltshire, UK.
2. The Colloseum in Rome, Italy.
3. The Catacombs of Kom el Shoqafa in Alexandria, Egypt.
4. The Great Wall of China
5. The Porcelain Tower of Nanjing in Nanjing, China.
6. The Hagia Sofia in Istanbul, Turkey.7. The Porcelain Tower of Pisa in Pisa, Italy.