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.
To właśnie wam pokażę. Od roku 1960 do 2010 Od roku 1960 do 2010 zawrotne 4 miliardy ludzi zawrotne 4 miliardy ludzi przybyło do światowej populacji.