For decades, researchers have been studying the hill in the central German state of Hesse, where people settled some 7,000 years ago.
It was thought unlikely that the mound would yield any more big surprises. But the researchers were stunned by what remote-sensing LIDAR turned up on the Glauberg.
At first glance, they recognized around a dozen potential burial mounds that they hadn't known about before. "We went and took a closer look at five of them," says Axel Posluschny. "They were all burial mounds."
Full story from Spiegel Online