Photographer's Note

I realize that the photo is of poor quality and a few people will look at it, and who will read the note? Maybe noone. But I do not care.
The upper photo is from Orvieto, made in my last trip.

The Pozzo di San Patrizio (English: "St. Patrick's Well") is a historic well in Orvieto, Umbria, central Italy. It was built by architect-engineer Antonio da Sangallo the Younger of Florence, between 1527 and 1537, at the behest of Pope Clement VII who had taken refuge at Orvieto during the sack of Rome in 1527 by the Holy Roman Emperor Charles V, and feared that the city's water supply would be insufficient in the event of a siege. The well was completed in 1537 during the papacy of Pope Paul III.

The name was inspired by medieval legends that St. Patrick's Purgatory in Ireland gave access down to Purgatory, indicating something very deep.

The architect-engineer Antonio da Sangallo the Younger surrounded the central well shaft with two spiral ramps in a double helix, accessed by two doors, which allowed mules to carry empty and full water vessels separately in downward and upward directions without obstruction. The cylindrical well is 53.15 metres deep with a base diameter of 13 metres . There are 248 steps and 70 windows provide illumination.

The lower photo is from the Chambord castle in France, made a few years ago.

One of the architectural highlights is the spectacular double helix open staircase that is the centerpiece of the château. The two helices ascend the three floors without ever meeting, illuminated from above by a sort of light house at the highest point of the château. There are suggestions that Leonardo da Vinci may have designed the staircase, but this has not been confirmed. It consists of 274 steps. Chambord was altered considerably during the twenty-eight years of its construction (1519–1547).

The staircase in Chambord is famous, much less people know about Orvieto. I find it fascinating that the same idea was used in the same time in different places. For me, there is mystery in it. Did they know about it in the time of construction? Or is it pure accident? I didn't find anything in Google. But isn't the similarity striking?
I planned to see the cave in Orvieto before going to Italy. The first day I was a bit tired after visiting Civita di Bagnoregio and Orvieto. But next morning I had one hour before the train, so I quickly went by funicular up to the town, then I ran 248 steps down and 248 up again, and down with funicular to the railway station. I managed it! But I was in a hurry and had no time for better photos in poor light conditions.
Of course, the famous double helix stair is in Vatican, but it was constructed much later.

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tyro, jean113, jhm, BennyV, fritzi007, mcmtanyel, ChrisJ ha puntuado esta nota como útil.

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Additional Photos by Malgorzata Kopczynska (emka) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 12730 W: 133 N: 32905] (150947)
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