Twin Towers on Instagram: "The final seconds of Kevin Cosgrove’s call and the collapse of the Tower - 11 September 2001 #twintowershistory #11september #neverforget #newyorkcity #america #usa #lowermanhattan #history #collapse #twintowers #jerseycity #brooklyn #bronx #kevincosgrove"

wtc on Instagram: "The video shows the reactions of people (eyewitnesses) who saw this unbelievable moment as the tallest building in the world at the time collapsed in seconds. The South Tower was the second to receive the plane crash but collapsed first, in just 10 to 13 seconds. 56 minutes after the collision, (2 wtc) was completely leveled to the ground. After the South Tower collapsed, roughly 600 to 700 people trapped in the tower above the impact zone died from the collapse, though the ex