While a large part of the United States observes the solar eclipse, businesses all around the country take advantage of the event. Larry Yu, a professor at George Washington University reports estimates claiming that "the total impact on the US economy will be 6 billion dollars" Even though D.C. is not on the path of totality, glasses and camera filters are on sales and events to watch the spectacle gather people on the National Mall. Until the last hours before the partial solar eclipses, customers still try to buy the last available solar eclipse merchandise, often sold out. IMAGES AND SOUNDBITES