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

Sen. Kelly Ayotte, R-N.H., left, is urging her Senate colleagues to change the budget proposal that cuts retirement benefits for current and future military retirees. Susan Walsh/AP hide caption

Retired farmer Joe Govert looks at a parcel of family land near Tribune, Kan. It has been enrolled in the Conservation Reserve Program. Charlie Riedel/AP hide caption

Lawyer Kimberly Motley says judges in Afghanistan often ask her for bribes, which she refuses to pay. Zalmai Ahad / Courtesy of Kimberly Motley hide caption

Princess Vinnea, guardian of plant life (left), and Princess Terra, protector of the land, examine one of many "gulavores" plaguing the land of Hortensis in the children's book Princess Vinnea and the Gulavores. Courtesy Setsu Shigematsu hide caption

The room of Samantha Alejandra, 18, in Mexico City, doubles as a shrine to her favorite K-Pop boy band, Super Junior. Marlon Bishop for NPR hide caption

A sea of tributes grows outside the home of former President Nelson Mandela in Johannesburg, South Africa, on Sunday. Matt Dunham/AP hide caption

Arinafe Makwiti, 13, says her parents forced her to drop out of school and get married to an older man last year to help with the family finances. Makwiti has divorced her husband, but now has a 9-month-old daughter. Jennifer Ludden/NPR hide caption

The sandstone monument to the second Mughul Emperor Humayun, now restored to its former glory, is the centerpiece of an enclosed garden complex. Construction began in 1570 and marked the beginning of the Mogul dynasty's major building projects. Julie McCarthy/NPR hide caption