Along with two colleagues, Charlesworth set up Architects Without Frontiers over a decade ago to provide pro bono architectural services to humanitarian causes. After traveling the cities of Mostar, Berlin, Beirut, Jerusalem and Belfast, and coauthoring a book, Divided Cities, on these observations, Esther Charlesworth chose to focus on the region closest to her, the Asia-Pacific. There is, of course, no place like home.