For one day a year the oculus opens its eye to the sky the oculus is located in lower manhattan next to the former twin towers.
Oculus opening roof.
To achieve this a nail is driven into the ground.
What s also special on this day is that the retractable skylight opens for two hours on the anniversary of 9 11.
A string is tied to the nail and a predetermined length of string is then walked around in order to create the diameter of the pieces to be cut.
The day is honored by american flags hanging from the roof.
Since the hub finally opened in early 2016 the wings have parted in observance of the september 11th terrorist attacks.
It is the centerpiece of the world trade center transportation hub.
The process of building this oculus starts with building up the opening which is made up of multiple layers of plywood cut to the correct radius.
The roof opened at 8 46 a m.
Today coinciding with the time at which.
The oculus roof which opens every september 11 to mark the anniversary of the 2001 terrorist attacks will be taking a rain check on tuesday when the futuris go to the content go to the footer.
The skylight however was not part of calatrava s original vision.
Removing the glass ceiling allows light to flood the main hall of the oculus.