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Beginning of works: | 220B.C. |
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Status: | out of service |
Function / usage: | Fortification wall |
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km | Name |
height | max. 16 m | |
thickness | 5 - 8 m | |
total length | 2 450 km (10 000 Li) |
1987 | Inscribed in the UNESCO World Heritage List. |
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Only man-made structure to be visible from space.
Currently there is no information available about persons or companies having participated in this project.
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