A double helix is a pair of congruent geometrical helices with the same axis, differing by a translation along the axis. Like the dominant structure of DNA.
This connection is about WHS that display the double helix in architecture and engineering.
|Graz||Staircase in the Burg|
|Historic Cairo||Citadel (Qal'at al Jabal) in Cairo: Yusuf's well|
|Loire Valley||"Chambord is centred on a wonderful double helix spiral staircase."|
|Minaret of Jam||"containing a double helix stairway"|
|Statue of Liberty||staircase|
|Van Nellefabriek||Stairs to keep male and female workers of the tobacco factory separated|
|Vatican City||Vatican Museum|
|Works of Antoni Gaudí||Pillars of the Sagrada Familia (double helix columns)|
Do you know of another WHS we could connect to Double Helix?
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