Foreword : La Biennale di Venezia -- Reporting from the front: the war on bending / Alejandro Aravena -- In the footsteps of Vitruvius / John Ochsendorf -- Beyond bending : Beyond the slab I : Building with weak material -- Beyond the slab II : Building with less material -- Beyond the dome : Exploring form and forces -- Beyond freeform : Extending stereotomy -- The making of the Armadillo Vault : Form and structure : Engineering the extreme: a conversation with Ochsendorf DeJong & Block -- Stereotomy and fabrication : informing geometry: a conversation with the Block Research Group -- Constru