Photos show how Manhattan's skyline has changed since the 9/11 attacks

"Each September, two large beams of light reach into the night sky above Manhattan's Financial District in powerful tribute to the towers that once defined the city's skyline. Thursday, September 11, marks 24 years since terrorists hijacked four commercial passenger planes, crashing two into New York's Twin Towers and forever changing the city. Another plane hit the Pentagon in Arlington County, Virginia, and the fourth crashed into a field in Shanksville, Pennsylvania, after passengers overpowered the hijackers."

"This year marks the 24th anniversary of the 9/11 attacks. The World Trade Center site has become a memorial to the 2,977 lives lost. Photos show how New York City rebuilt ground zero. In total, 2,977 victims lost their lives and, more than two decades later, their loved ones continue to gather to recite their names at the 9/11 Memorial at the World Trade Center complex in New York."

This year marks the 24th anniversary of the 9/11 attacks. Each September, two large beams of light reach into the night sky above Manhattan's Financial District as a tribute to the towers that once defined the skyline. On September 11, 2001, terrorists hijacked four commercial passenger planes, crashing two into New York's Twin Towers, one into the Pentagon in Arlington County, Virginia, and the fourth into a field in Shanksville, Pennsylvania after passengers overpowered the hijackers. A total of 2,977 victims lost their lives. Loved ones continue to gather at the 9/11 Memorial at the World Trade Center complex to recite names. Photos document how Manhattan's skyline and the Financial District rebuilt Ground Zero.

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