How the 9/11 terror attacks unfolded | Telegraph Time Tunne

In this video, we examine how the devastating 9/11 terrorist attacks unfolded in September 2001, as the world prepares to mark the 15th anniversary of the tragedy.
Almost 3,000 people lost their lives and thousands more were injured in the attacks, which targeted the twin towers of the World Trade Center and the Pentagon - both key symbols of America's global power and influence.
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