Students across the US walked out of class to call for change after the mass shooting in Parkland. At a high school in Coral Springs, Florida, they formed a heart shape on the football field

Students across the US walked out of class to call for change after the mass shooting in Parkland. At a high school in Coral Springs, Florida, they formed a heart shape on the football field. https://t.co/pYiEEp4oKu pic.twitter.com/fI1kgrNcp3

— CNN (@CNN) February 21, 2018