Light Up Night is a family festival in the city of Pittsburgh, Pennsylvania coinciding with the unofficial start of the Winter holiday shopping season. Many retailers in Downtown Pittsburgh remain open late, and street vendors and other concessionaires sell food and give away hot beverages, treats and promotional items. The city is decorated with Christmas lights, trees, among other holiday decorations. On Light Up Night, the skyscrapers and buildings in and around downtown keep their lights on throughout the night, lending to the name. Over 200,000 people attend the festivities.