9/11 World Trade Center attack — The north face of Two World Trade Center (south tower) immediately after being struck by United Airlines Flight 175
Photo Credit: By Robert on Flickr - This file has been extracted from another file: UA Flight 175 hits WTC south tower 9-11 edit.jpeg, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=17340779