25 Most Powerful Photos : Hijacked United Airlines Flight 175 from Boston crashes into The South Tower of The World Trade Center and explodes at 9:03 am September 11,2001 in New York City,U.S.A.(Note: Now know all over the world as 9-11)
A series of photos shows hijacked United Airlines Flight 175 as it strikes the south tower of the World Trade Center at 9:03 a.m. on Sept. 11, 2001, and then explodes. A giant hole in the north tower shows where it was hit by American Airlines Flight 11, 43 minutes earlier. A total of 2,753 people died in the al-Qaida-sponsored terrorist attack on the World Trade Center.