And that's what I'm going to show you, because since 1960 what has happened in the world up to 2010 is that a staggering four billion people have been added to the world population.
Og det er det, jeg vil vise jer. For siden 1960, hvad der er sket i verden frem til 2010 er at forbløffende fire milliarder mennesker er blevet lagt til verdens befolkning.