The scene outside the residence of Palestinian diplomat Jamal al-Jamal in Prague. An explosion there Wednesday killed the 56-year-old ambassador. Filip Singer /EPA/LANDOV hide caption

itoggle caption Filip Singer /EPA/LANDOV

In this photo made with a fish-eye wide-angle lens, Bertha, the massive boring machine that is drilling a two-mile tunnel under Seattle, is shown in July before work began. The tunnel will replace a double deck highway along the downtown Seattle waterfront. Ted S. Warren/AP hide caption

itoggle caption Ted S. Warren/AP

What treasures lie buried here? Three climbers traversed part of the Mont Blanc massif earlier this month. Jean-Pierre Clatot /AFP/Getty Images hide caption

itoggle caption Jean-Pierre Clatot /AFP/Getty Images

Urooj Khan, with his winning lottery ticket. Not long after this photo was taken, he was dead. /AP hide caption

itoggle caption /AP