The Great Wall of China, built more than 2,000 years ago, stands as one of the monumental feats of ancient engineering. Stretching thousands of miles, it protected the newly unified country from foreign invaders.
But before the Great Wall, warring Chinese dynasties built many other walls for protection. An American archaeologist recently began surveying one of the biggest.
Originally published on Sun December 29, 2013 2:56 pm
The New York Times, after a months-long investigation, says the attack on the U.S. diplomatic post in Benghazi, Libya, "turned up no evidence that Al Qaeda or other international terrorist groups had any role in the assault."
Supporters of the Muslim Brotherhood at Al-Azhar university make the four-finger Rabaa gesture as they hold tear gas canisters during clashes with riot police and residents of the area at the university's campus in Cairo on Saturday.
An Egyptian student is dead Saturday after clashes between police and Muslim Brotherhood supporters at the country's main Islamic university.
Egyptian media reported that the violence erupted when security forces fired tear gas to disperse pro-Brotherhood students who were trying to prevent classmates from getting into buildings at the famed Al-Azhar university. Some of the buildings were set on fire. Police said 101 people were arrested.