18 years ago on September 11th 2001 two towers called the world trade center they were almost the tallest towers In the world they were the third tallest building in the world in 2000 the tallest building in 2000 was petronas twin towers and the 2nd one was the wilis tower in Chicago 1974 than the twin towers in 1972 the tallest building now is the burj khalifa and it is in united arab emirates in dubai and it has 163 floors in total and it was made in 2010 one year before I was born so someone in united arab emirates has planned to destroy the twin towers and the pentagon and they tried to destroy the capital building but they didn’t because people on the plane tried to save the people on the plane but they crashed in shanksville in the middle of no where.