When asked to build housing for 100 families in Chile ten years ago, Alejandro Aravena looked to an unusual inspiration: the wisdom of favelas and slums.

当十年前被要求在智利为一百户家庭建造住房时，亚历山大·阿拉维那从一个不寻常的地方获得了灵感：棚户区和贫民窟中的智慧。

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In the 1920s and 30s, tens of thousands of families were moved out of the inner city slums and into the huge council estates which had been built in the borough.

BBC: Why have the white British left London?

Their community awareness camps educate families in rural villages and city slums about the dangers of sex trafficking, and a daily patrol at crossing points along the India-Nepal border successfully rescues an average of four Nepali girls a day.

CNN: Rescuing girls from sex slavery