21 March 2006 - New York City, NY - Architects Amador Pons (L) and Matthew Grzywinski from the firm Grzywinski-Pons race to design and build a model as they compete in Architecture Duel, a timed architectural competition organised by the creative group, the LVHRD Foundation, in New York City, USA, 21 March 2006. The duel was won by the 2-person firm Grzywinski-Pons. Arquitectonica is a +400 person firm with offices around the world.