These urns by Mathieu Lehanneur, are designed to represent the life spans of people around the world. Each urn has 100 rings, each of the rings from the table up, represents the the percentage of people in that country who die at that age. It is a terrifying representation of the struggles for life in other parts of the world, Nice pots too.
I don't know why this image is so small. Click in it and you can see it at a reasonable size.