Cost and Time Making World Trade Center 

The original World Trade Center complex was built in the 1970s

The cost of constructing the original World Trade Center was estimated at $1.5 billion in 1973

which is equivalent to about $8.8 billion today when adjusted for inflation.

The construction of the Twin Towers took six years to complete, from 1968 to 1974

The buildings were designed by architect Minoru Yamasaki

The buildings housed offices for more than 430 companies

The World Trade Center was tragically destroyed in the terrorist attacks of September 11, 2001

The rebuilding of the World Trade Center complex has been a long and complex process