Great wall of china dating
Perhaps most visible from low Earth orbit are cities at night. Of the wall visibility theories, Lulla said: "A lot has been said and written about how visible the wall is.Cities can be seen during the day too, as can major roadways and bridges, airports, dams and reservoirs. In fact, it is very, very difficult to distinguish the Great Wall of China in astronaut photography, because the materials that were used in the wall are similar in color and texture to the materials of the land surrounding the wall -- the dirt." It's questionable whether you can see it with the unaided eye from space. The Great Wall of China, frequently billed as the only man-made object visible from space, generally isn't, at least to the unaided eye in low Earth orbit. You can, though, see a lot of other results of human activity.The visible wall theory was shaken after China's own astronaut, Yang Liwei, said he couldn’t see the historic structure.
Tarighat in Chattisgarh In 2013, archaeologists found the remains of a gutted settlement near Chhattisgarh's Raipur buried under 13-20 ft of ash.
India The sheer size and richness of Indian culture and history has spawned several hundred books, films and folklore.
But even today, possibly large chunks of it remain buried in obscurity in all parts of India.
Take a look at some of the other archaeological discoveries that have been made in India in the past decade.
Skeletons at Rakhigarhi In April last year, almost 15 new skeletons were found in Rakhigarhi, in Hisar, Haryana, one of the biggest excavation sites of the 5,000-year-old Harappan (Indus Valley) Civilisation.
The red arrows point to other visible sections of the wall. View larger image The issue surfaced again after photos taken by Leroy Chiao from the International Space Station were determined to show small sections of the wall in Inner Mongolia about 200 miles north of Beijing. One was displayed prominently in the nation's newspapers.