The original World Trade Center was a large complex of seven buildings in the Financial District of Lower Manhattan in New York City. It opened on April 4, 1973, and was destroyed in 2001 during the September 11 attacks. resources Wikipedia

At the time of their completion, the Twin Towers—the original 1 World Trade Center (the North Tower) at 1,368 feet (417 m); and 2 World Trade Center (the South Tower) at 1,362 feet (415.1 m)—were the tallest buildings in the world. Other buildings in the complex included the Marriott World Trade Center (3 WTC), 4 WTC, 5 WTC, 6 WTC, and 7 WTC. The complex contained 13,400,000 square feet (1,240,000 m) of office space. resources Wikipedia

at 8:30 in New York on September 11th, 2001 it was a typical day in New York City like every single day but did they know that in 16 minutes the first plane would crash into the north Tower which would kill  1,466  people

at 8:30 in New York on September 11th, 2001 it was a typical day in New York City like every single day but did they know that in 16 minutes the first plane would crash into the north Tower which would kill  1,466  people

At 9:03 am, the second plane hit the South Tower. The second plane hit the South Tower and killed 614 as you can see, the plane is about to crash into the South Tower.