Lessons Learned 100 Years After the Assassination that Triggered World War I
A picture taken on August 1,2013 shows graves at Notre Dame de Lorette's necropolis at the World War One military cemetery in Ablain-Saint-Nazaire, northern France.
( PHILIPPE HUGUEN/AFP / Getty )
( PHILIPPE HUGUEN/AFP / Getty )
Produced by Elizabeth Ross and Megan Quellhorst
