World Trade Center 40th anniversary: A look back at the iconic Twin Towers through the years

World Trade Center, 1975

 

On April 4, 1973 the New York City skyline dramatically changed. It was on that day, exactly 40 years ago, that the original World Trade Center site officially opened. Here is an aerial shot of Lower Manhattan with the buildings finally complete. In the foreground, landfill is worked on to create what will eventually become Battery Park City. Take a look back at the World Trade Center's history through the years