In the spirit of Halloween , architecture firms from the New York area gathered over the weekend to apply their architectural talents to the art of pumpkin carving. Competing for architecture's most prestigious Halloween-related prize, the AIA Pritzerpumpkin, firms such as Rafael Viñoly , WEISS/MANFREDI , Henning Larsen , TEN Arquitectos and more crafted a slew of unusual designs that go beyond the traditional jack-o-lantern. Teams had 75 minutes to create their masterpieces, which ranged from the conceptual—such as Alloy 's jack-in-the-box jack-o-lantern that took home first place—to the more technological—such as Ennead 's, which transformed a pumpkin into an automatic drawing machine—each bringing their own unique design perspectives. Teams then presented their designs to a jury including Laila Gohar, chef and conceptual artist; Jing Liu, principal and co-founder at SO-IL , Harry Parr, principal and co-founder at Bompas & Parr Studio; and Omar Sosa, founder of...