Mark Wigley, Dean, Columbia University, Graduate School of Architecture, Planning and Preservation, Requests the pleasure of your company for the opening of the GSAPP End-of-Year Exhibit Reception + Viewing: Saturday, May 16th from 5-7PMIn Buell Hall + Avery Hall On view Monday - Friday, from 10AM-5PM, through May 29, 2009.The GSAPP's End-of-year exhibit showcases some of the most innovative research and design work produced by students of architecture, historic preservation, real-estate development, urban design and urban planning in the past academic year. Students transform most of the public spaces of Avery and Buell Halls into one of the largest annual exhibits devoted to the built environment.