One popular myth about space exploration is that the Great Wall of China is the only human-built structure that can be seen from space. But of course, this is impossible with the naked eye. The myth probably stems from the long and vivid history of building the numerous walls and fortifications, which took millennia to complete. Nearly 400,000 people died during the wall’s construction which began in 221 B.C., and many of them were buried within the wall itself, according to the History channel.

Read the source article at Networks Asia