PHOTOS: 7,000 children's shoes laid out on Capitol lawn in honor of lives lost to gun violence WASHINGTON, DC - MARCH 13: Seven thousand pairs of shoes, representing the children killed by gun violence since the mass shooting at Sandy Hook Elementary School in 2012, are spread out on the lawn on the east side of the U.S. Capitol March 13, 2018 in Washington, DC. Organized by the online activist group Avaaz, the shoes are intended to urge Congress to pass gun-reform legislation. (Photo by Chip Somodevilla/Getty Images)Photo by: Chip Somodevilla PHOTOS: 7,000 children's shoes laid out on Capitol lawn in honor of lives lost to gun violence WASHINGTON, DC - MARCH 13: Seven thousand pairs of shoes, representing the children killed by gun violence since the mass shooting at Sandy Hook Elementary School in 2012, are spread out on the lawn on the east side of the U.S. Capitol March 13, 2018 in Washington, DC. Organized by the online activist group Avaaz, the shoes are intended to urge Congress to pass gun-reform legislation. (Photo by Chip Somodevilla/Getty Images)Photo by: Chip Somodevilla PHOTOS: 7,000 children's shoes laid out on Capitol lawn in honor of lives lost to gun violence WASHINGTON, DC - MARCH 13: Seven thousand pairs of shoes, representing the children killed by gun violence since the mass shooting at Sandy Hook Elementary School in 2012, are spread out on the lawn on the east side of the U.S. Capitol March 13, 2018 in Washington, DC. Organized by the online activist group Avaaz, the shoes are intended to urge Congress to pass gun-reform legislation. (Photo by Chip Somodevilla/Getty Images)Photo by: Chip Somodevilla PHOTOS: 7,000 children's shoes laid out on Capitol lawn in honor of lives lost to gun violence WASHINGTON, DC - MARCH 13: Seven thousand pairs of shoes, representing the children killed by gun violence since the mass shooting at Sandy Hook Elementary School in 2012, are spread out on the lawn on the east side of the U.S. Capitol March 13, 2018 in Washington, DC. Organized by the online activist group Avaaz, the shoes are intended to urge Congress to pass gun-reform legislation. (Photo by Chip Somodevilla/Getty Images)Photo by: Chip Somodevilla PHOTOS: 7,000 children's shoes laid out on Capitol lawn in honor of lives lost to gun violence WASHINGTON, DC - MARCH 13: Seven thousand pairs of shoes, representing the children killed by gun violence since the mass shooting at Sandy Hook Elementary School in 2012, are spread out on the lawn on the east side of the U.S. Capitol March 13, 2018 in Washington, DC. Organized by the online activist group Avaaz, the shoes are intended to urge Congress to pass gun-reform legislation. (Photo by Chip Somodevilla/Getty Images)Photo by: Chip Somodevilla