Anyone who has driven around Allentown during the holiday season has seen the PPL building in the city skyline, aglow with the spirit of the season. Visitors to Allentown often ask about the building, the design and how it is created. The Executive Forum of the Lehigh Valley knows who is behind those shades and how it is done. Sandra Kuhns of K&H Custom Window Treatments is a member of the Forum and opens up about the magic behind the PPL light display. Click here to read her interview with LV Business.