![The remaining tower of New York's World Trade Center burns after the first twin tower collapsed September 11, 2001. Three hijacked planes crashed into major U.S. landmarks on Tuesday, destroying both of The remaining tower of New York's World Trade Center burns after the first twin tower collapsed September 11, 2001. Three hijacked planes crashed into major U.S. landmarks on Tuesday, destroying both of](https://c8.alamy.com/comp/2D43JAA/the-remaining-tower-of-new-yorks-world-trade-center-burns-after-the-first-twin-tower-collapsed-september-11-2001-three-hijacked-planes-crashed-into-major-us-landmarks-on-tuesday-destroying-both-of-new-yorks-mighty-twin-towers-and-plunging-the-pentagon-in-washington-into-flames-in-an-unprecedented-assault-on-key-symbols-of-us-military-and-financial-power-the-pictures-were-made-from-across-the-hudson-river-in-jersey-city-new-jersey-reutersray-stubblebine-2D43JAA.jpg)
The remaining tower of New York's World Trade Center burns after the first twin tower collapsed September 11, 2001. Three hijacked planes crashed into major U.S. landmarks on Tuesday, destroying both of
![The remaining tower of New York's World Trade Center dissolves in a cloud of dust and debris about a half hour after the first twin tower collapsed, in these file photos from The remaining tower of New York's World Trade Center dissolves in a cloud of dust and debris about a half hour after the first twin tower collapsed, in these file photos from](https://c8.alamy.com/comp/2D3J3K7/the-remaining-tower-of-new-yorks-world-trade-center-dissolves-in-a-cloud-of-dust-and-debris-about-a-half-hour-after-the-first-twin-tower-collapsed-in-these-file-photos-from-september-11-2001-the-pictures-were-made-from-across-the-hudson-river-in-jersey-city-new-jersey-this-years-anniversary-of-the-september-11-attacks-in-new-york-and-washington-will-echo-the-first-one-with-silence-for-the-moments-the-planes-struck-and-when-the-buildings-fell-and-the-reading-of-2792-victims-names-reutersray-stubblebine-files-hb-2D3J3K7.jpg)
The remaining tower of New York's World Trade Center dissolves in a cloud of dust and debris about a half hour after the first twin tower collapsed, in these file photos from
![The remaining tower of New York's World Trade Center dissolves in a cloud of dust and debris about a half hour after the first twin tower collapsed. Each of the towers were The remaining tower of New York's World Trade Center dissolves in a cloud of dust and debris about a half hour after the first twin tower collapsed. Each of the towers were](https://c8.alamy.com/comp/2E6PMH3/the-remaining-tower-of-new-yorks-world-trade-center-dissolves-in-a-cloud-of-dust-and-debris-about-a-half-hour-after-the-first-twin-tower-collapsed-each-of-the-towers-were-hit-by-hijacked-airliners-in-one-of-numerous-acts-of-terrorism-directed-at-the-united-states-september-11-2001-the-pictures-were-made-from-across-the-hudson-river-in-jersey-city-new-jersey-reutersray-stubblebine-best-quality-available-2E6PMH3.jpg)