4. Players from Chapecoense mourn their fallen teammates during a tribute.
5. Operation Babylift: Orphans from Vietnam strapped into airplane seats are airlifted to the US. April 12, 1975.
6. ‘’A mother screams for her dead son — his blood streaked across the stairs, his tattered scarf left behind — after an Islamic State mortar attack, in western Mosul on March 22, 2017.’’