Over 30 participants joined tour speakers Nick Perfili of Fairfax County DOT, Stella Koch of Audubon Naturalist Society, Jay Klug of The JBG Companies, and Bruce Wright of Fairfax Advocates for Better Bicycling to learn about redeveloping Tysons, the Silver Line, pedestrian and bicycle improvements, and the importance of stormwater management and stream restoration on Saturday, September 21, 2013.