An amazing statistic
Friday, June 20th, 2014I know that China has been building like crazy the past years, and it is obvious that in order to build stuff one needs cement (to make concrete). What I never realized is just how much cement China has used in the past years…the graphic below puts things into perspective…pretty mind-blowing ah?
(via Bill Gates; from Making the Modern World: Materials and Dematerialization, by the historian Vaclav Smil)