Standing in their backyard in Cochas Grande, Peru, Katya and Blanca Cantos, hold the fruit of their labor. The gourd at left shows scenes from a potato harvest. The just-started gourd at right will tell the story of an ancestor's epic trek. Josh Cogan/Ralph Rinzler Folklife Archive, Smithsonian Institution hide caption

itoggle caption Josh Cogan/Ralph Rinzler Folklife Archive, Smithsonian Institution

A man waits at an Athens bus stop where the Greek word "no" has been spray-painted over "yes" on a banner put up in advance of Sunday's referendum. Greek voters will say whether they want to accept or reject a deal that's been offered by the country's creditors. Greeks are deeply divided and analysts say the outcome is not clear. Thanassis Stavrakis/AP hide caption

itoggle caption Thanassis Stavrakis/AP

Former Swiss pilot Yves Rossy, known as Jetman, is the first person to fly a jet-fitted wing. Kamran Jebreili/AP hide caption

itoggle caption Kamran Jebreili/AP

Adm. Michael Rogers, NSA director and head of the U.S. Cyber Command, has avoided singling out China for blame in the OPM hack, which may affect as many as 18 million federal workers. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images