As the world urbanizes rapidly, [[tweetable]]international experience has shown that economic activities concentrate in a relatively small number of places[[/tweetable]] – it is estimated that…

Sameh Wahba, Judy Zheng Jia |

Stuffed animals line the window sill, toys crowd the room’s perimeter, children’s crayon drawings depict a loss of childhood.

Nicole Klingen, Melanie Mayhew |