Introduction to the World Trade Center: The World Trade Center (1973-September 11, 2001) is located at the southwest end of Manhattan Island, New York. It is one of the landmarks of New York, USA, facing the Hudson River to the west. . It collapsed during the 9/11 incident on September 11, 2001. It consists of two side-by-side tower skyscrapers, four 7-story office buildings and a 22-story hotel. It was built from 1962 to 1976. The owner is the Port Authority of New York and New Jersey. The designer is Japanese-American architect M. Yamasaki (Minoru Yamasaki, known as Yamasaki Minoru in Japan). The World Trade Center was once the tallest twin towers in the world, a landmark building in New York City, and one of the tallest buildings in the world.