Oklahoma City Bombing (1995)
Nanjing Massacre (1937)
Beslan School Siege (2004)
The Halifax Explosion (1917)
Carandiru Prison Massacre (1992)
Great Barrier Reef Bleaching
Nirbhaya Gang Rape Incident (2012)
Tragedy of the Andes Plane Crash (1972)
Charyn Canyon Flooding
Harragas Mediterranean Sea Tragedies