Cost and Time Making World Trade Center 

[{"selector":"#anim-50c844aa-a754-4e14-8ea3-65f7dde3cf06","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-509eb566-58e9-4621-b04a-ba95c1821e0e","keyframes":{"transform":["translate3d(0px, 158.15967%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

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

[{"selector":"#anim-4475bc55-59b5-45fb-8bf1-b7cd48c66228","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-984db3e2-f126-4fcd-a840-5053de8ad320","keyframes":{"transform":["translate3d(0px, -737.07596%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

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

[{"selector":"#anim-d94d3c4b-41ab-4f2c-b389-8ee2d941a3e3","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d3b5db70-ce6b-4dff-9ccb-672fe78055a6","keyframes":{"transform":["translate3d(0px, -558.57774%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

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

[{"selector":"#anim-f8b0701e-dae0-44d8-b429-a817926eb387","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5e825683-c143-49b9-871c-965fa68cfb3e","keyframes":{"transform":["translate3d(0px, -731.81281%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

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

[{"selector":"#anim-eeede554-2ebd-4599-85a6-7081c19b8ce1","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-84da76c0-c918-4f0d-a407-b221e85e74b5","keyframes":{"transform":["translate3d(0px, -558.57774%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

The buildings were designed by architect Minoru Yamasaki

[{"selector":"#anim-7368976c-2116-4e60-9b6e-fe2b0f2c2add","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-81e541f4-8d72-4af8-9427-a709450a2252","keyframes":{"transform":["translate3d(0px, -734.97066%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

The buildings housed offices for more than 430 companies

[{"selector":"#anim-c3160f13-b14b-4e5d-8cab-2d02d5ff1c93","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a40bc112-1e36-4a77-b6d1-ccb17dc2a4ef","keyframes":{"transform":["translate3d(0px, -732.86543%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

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

[{"selector":"#anim-dcd5916d-85be-4ec7-945d-b103afe56e5e","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f307abda-1628-4953-a2c5-f696ee1e62d8","keyframes":{"transform":["translate3d(0px, -568.1777%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

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

[{"selector":"#anim-07097985-ca05-443b-a6a1-609873f590fb","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-715efbf7-6cdb-4ebd-a181-8cadac194e66","keyframes":{"transform":["translate3d(0px, -522.57771%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Learn more