The number 50 mil filled with grains of sand, illustrating both a small pile and the 50 million lives lost during World War II.
The number 2996 filled with a swirling starry night sky, symbolizing both visible stars on a clear night and the lives lost in the 9/11 attacks.
The number 51k filled with water, representing the drops in a gallon and the lives lost at the Battle of Gettysburg.
The number 20 million filled with leaves, symbolizing the number of leaves shed by some trees in one season and the lives lost during the Taiping Rebellion in China.
The number 73k filled with rice, representing the grains in a 5-pound bag and the casualties during the Normandy campaign.
