• TOPSHOT - The crowd at the March for Our Lives Rally as seen from the roof of the Newseum in Washington, DC on March 24, 2018. 
Galvanized by a massacre at a Florida high school, hundreds of thousands of Americans are expected to take to the streets in cities across the United States on Saturday in the biggest protest for gun control in a generation. / AFP PHOTO / Alex Edelman        (Photo credit should read ALEX EDELMAN/AFP/Getty Images)

    See how many people marched

    By Lacey Russell, CNN
    Thousands took to the streets and demanded gun control in the nationwide March for Our Lives movement.