What Is a Life Span? Why Man-Made Things Depreciate and not Appreciate?: SHORT STORY # 19. Nonfiction series #1 - # 60.

It is a common knowledge that everything, including people, have a life span. Except the nature and the earth, they have eternity, or endless life. That is: people have a life expectancy, man-made things around us have a life span. Than why this law does not applies to a real estate housing industry? Please find this answer in this story.