Members of NYPD enter the Trade Center site near the Sphere shortly after 9/11. Credit: Andrea Booher/FEMA2017-09-072017-09-07https://tributemuseum.wpenginepowered.com/wp-content/uploads/2017/06/911-tribute-museum-logo.png9/11 Tribute Museumhttps://tributemuseum.wpenginepowered.com/wp-content/uploads/2017/06/911-tribute-museum-logo.png200px200px