know where to look." In October 2003, Chinese astronaut Yang Liwei stated that he had not been able to see the Great Wall of China. In response, the European Space Agency (ESA) issued a press release reporting that from an orbit between , the Great Wall is visible to the naked eye. The image was actually a river in Beijing. Leroy Chiao, a Chinese-American astronaut, took a photograph from the International Space Station that shows the wall. It was so indistinct that the photographer was not certain he had actually captured it. Based on the photograph, the China Daily later reported that the Great Wall can be seen from 'space' with the naked eye, under favorable viewing conditions, if one knows exactly where to look. Gallery See also Cheolli Jangseong Chinese city wall Defense of the Great Wall Gates of Alexander Grand Canal (China) Great Wall of China hoax Great Wall Marathon Great Wall of Gorgan Great Wall of India List of World Heritage Sites in China Miaojiang Great Wall Offa's Dyke Roman military frontiers and fortifications Zasechnaya cherta Notes References Further reading Arnold, H. J. P., "The Great Wall: Is It or Isn't It?" Astronomy Now, 1995. Beckwith, Christopher I. (2009): Empires of the Silk Road: A History of Central Eurasia from the Bronze Age to the Present. Princeton: Princeton University Press. . Luo, Zewen, et al. and Baker, David, ed. (1981). The Great Wall. Maidenhead: McGraw-Hill Book Company (UK). Michaud, Roland and Sabrina (photographers), & Michel Jan, The Great Wall of China. Abbeville Press, 2001. Schafer, Edward H. (1985). The Golden Peaches of Samarkand. Berkeley: University of California Press. . External links International Friends of the Great Wall – organization focused on conservation UNESCO World Heritage Centre profile Enthusiast/scholar website Photoset of lesser visited areas of the Great Wall 7th-century BC establishments in China Border barriers Chinese architectural history Fortification lines Qin Shi Huang Walls World Heritage Sites in China