wtc on Instagram: "This is the video taken by Scott Myers and showing Flight 175 hitting the South Tower, (2 world trade center) Did you know..? On September 11th, 2001, the Twin Towers swayed more than they were designed to due to the impacts of the planes. While the towers were built to sway up to about a foot in high winds, the impacts caused them to sway significantly more, with some estimates suggesting several feet, possibly up to Ten feet. United Airlines Flight 175 hit the South Tower of