When the hijacked planes hit the World Trade Center on September 11 in 2001, the final phone calls from passengers on board were messages of love. 20 years on, we remember them. 💔 | News.com.au

Don’t miss 9/11: One Day in America. Available to catch up on demand now, this groundbreaking documentary series tells the definitive story of the tragic events of 11th September 2001 through the experiences of those who were there. Watch on Sky, NOW, Virgin, BT, TalkTalk and TV Player. | National Geographic UK

137K views · 2.1K reactions | Don’t miss 9/11: One Day in America. Available to catch up on demand now, this groundbreaking documentary series tells the definitive story of the tragic events of 11th September 2001 through the experiences of those who were there. Watch on Sky, NOW, Virgin, BT, TalkTalk and TV Player. | National Geographic UK | Facebook

Told through powerful first-hand accounts, #911OneDayinAmerica honors the heroic actions of first responders and survivors. Created in collaboration with the National September 11 Memorial & Museum, the four-night limited series premieres tomorrow at 9/8c and next day on Hulu | National Geographic TV

Most of us remember where we were on 9/11. We watched the events in New York, Pennsylvania, and Washington D.C. unfold from our windows, our televisions and on the ground. The artifacts and installations featured in the 9/11 Memorial Museum tell the story of what happened on 9/11, what led up to it and its aftermath. | National September 11 Memorial & Museum