See how architects face challenges, as Zaha Hadid summons Rome to embrace a new way of experiencing the art of today. Learn how Bjarne Mastenbroek and Christian Müller built an underground villa next to Peter Zumthor’s famous thermal baths. Imagine the textures at Sou Fujimoto’s house where floor, walls and ceilings are punctuated by large holes. Watch as Domingo and Arranz Sobrini survey eight inhabitants of Oscar Niemeyer’s Copan apartment building. Finally, read a letter from Harry Den Hartog, who visited Chinese province Sichuan to see how it’s recovering from last year’s devastating earthquake.