Interesting fact: China used more cement in three years — between 2011 and 2013 — than the US did in the entire 20th century.

Interesting fact: China used more cement in three years — between 2011 and 2013 — than the US did in the entire 20th century.

Interesting fact: China used more cement in three years — between 2011 and 2013 — than the US did in the entire 20th century.
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