Centuries Before China's 'Great Wall,' There Was Another

In Jiaonan county, the Qi wall incorporates outcrops of bedrock. Linda Nicholas/The Field Museum hide caption

Chronixx is one of the biggest new artists in reggae, as well as part of a younger generation of Jamaican musicians who give old-school sounds a fresh take. Courtesy of the artist hide caption

In Virginia this summer, Arlington Public Schools transported students in poor neighborhoods to community libraries for group readings. Studies say children from low-income families may hear roughly 30 million fewer words by age 3 than their more affluent peers. Bill O'Leary/The Washington Post/Getty Images hide caption

In an effort to show diversity, University of Wisconsin officials added the face of a black student, Diallo Shabazz, to a file photo for the cover of the school's 2000 application booklet. AP hide caption

Customers say they will still use their cards at Target, despite the security breach. The company's stock has been down since the news of the hacking. Joe Raedle/Getty Images hide caption

Texas state Sen. Wendy Davis filibustered for 11 hours against sweeping restrictions on abortion back in June, becoming a hero for abortion rights activists. Eric Gay/AP hide caption

Photographer Chris Arnade found a chair in the middle of the road at 2 a.m., and sat in it for this self portrait. Chris Arnade/Flickr hide caption

One of the most influential electronic producers in the world, Giorgio Moroder has been back in the spotlight in 2013. Courtesy of the artist hide caption