History: People gathered in Federal Plaza to offer blood after 9/11 attacks, 2001[560x567]

https://i.redd.it/2dgpx38smvm71.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/pm7ita/people_gathered_in_federal_plaza_to_offer_blood/?utm_source=ifttt