모든 개발도상국에 걸쳐서 도시가 폭발적으로 늘어난다고 생각해보세요. 얼마나 많은 아이들이 건설현장에서 학창시절을 보내겠습니까.
Imagine that urban explosion that's going to take place across the developing world and how many thousands of children will spend their school years on building sites.