Lightfair Intl. will celebrate its 20th anniversary when the tradeshow and conference hits New York, May 5-7, at the Jacob K. Javits Convention Center. The event kicks off with the Daylighting Institute, held May 3-4, followed by the three-day event featuring 500 exhibitors and 75 workshops. The accompanying slideshow offers a preview of some of the products and companies that will be at the show. For more information, visit www.lightfair.com.