Supporters of the Vietnam moratorium lie in Central Park’s Sheep Meadow in 1969. The black balloons represented everyone who died in the Vietnam War under the Nixon administration, and the white balloons symbolized all of the people who would die if the war continued.
This year is the 35th anniversary of the Fall of Saigon and the end of the Vietnam War.
(Via The Big Picture)
This is spectacular (though it may have been slightly disapproved by the EPA).