Orion over the Great Wall of China. Stars and nebulae in the constellation of Orion (right) over part of the Great Wall of China. The Great Wall of China was built in stages between the 5th and 17th centuries, from materials such as earth, or stone and brick. The longest section is over 6000 kilometres long, and is the longest man-made structure in the world. It was declared a UNESCO World Heritage Site in 1987. Photographed on 9 January 2016. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / JEFF DAI |
Bildgröße: | 5120 px × 3414 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |