Until 1975, Angola was a Portuguese colony. Independence was followed by a lengthy civil war, which left the country in ruins. Now the tables have turned, and the former colony has become a booming economy and job engine for its former colonial master. 100,000 Portuguese have emigrated to Angola since the eurozone crisis began. The trade in diamonds and oil has sparked a construction boom in Luanda. Ourreporter meets an architect from Portugal who is shaping the new Angola.