SAZAEDŌ
Aizu-Wakamatsu, Fukushima Prefecture, Japan

The unique interior structure of the pagoda formally called Entsū Sansōdō has given the building its popular name Sazaedō--Turbo Hall, after the spiral chambered interior of the shellfish.

The name does not quite do justice to the building's architectural uniqueness: in fact, the interior is formed of two spiral ramps entwined like a double helix. In the Edo period, when Sazaedō was opened, pilgrims could ascend one ramp and descend the other in a steady stream, without collision or confusion.

We have constructed a computer model of Sazaedō. A presentation showing its features can be seen here.

Click on the picture to see an animated view of the basic structure (2.5 Meg).
A virtual reality walkthrough of the model has been prepared from a large number of renderings based on the model.

A more recent walkthrough has been made available on youtube Uwalkthrough

Discussion continues below.

Sazaedō in the Taishō period (1912-1924)

A visit to Sazaedō replicated two seminal experiences in the life of the pious Buddhist: climbing a sacred mountain, and following a pilgrimage route to a chain of holy sites. Both experiences required far more time and effort than most poor people could afford. A visit to Sazaedō, however, collapsed these experiences into an afternoon. At the entrance to Sazaedō--the bottom of the artificial holy mountain--pilgrims first encountered an image of Amida Buddha; then, on the way up and down the double-helix ramp, they could venerate 33 small images of the bodhisattva Kannon, placed in chambers at every turn of the walkway. The images were replicas of the 33 Kannon images on housed at separate temples along the Saikoku (Western Japan) pilgrimage route, and if Sazaedō practice followed the practice of conflated pilgrimage routes elsewhere, visiting Sazaedō was considered the equivalent of a Saikoku pilgrimage.

Recently declared a National Important Cultural Property, Sazaedō commemorates the vigor of popular Buddhism in the Edo period.

We have constructed a computer model of Sazaedō. For a look at the early construction process, click here.

For some more on Sazaedō's history, click here.

For a view of a 19th-century document concerning Sazaedō, click here.

For sources on Sazaedō, click here.

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