Changes

The "miraculous" spiral staircase refers to the Loretto Chapel spiral staircase in [[Santa Fe]], [[New Mexico]], built without any support or even nails, an which does two full turns to reach 20 feet high to a [[choir]] loft.  Its builder was an unknown visitor to the Chapel around 1880, who worked without pay and apparently used spruce wood not common to the area.

The "miraculous" spiral staircase refers to the Loretto Chapel spiral staircase in [[Santa Fe]], [[New Mexico]], built without any support or even nails, an which does two full turns to reach a [[choir]] loft 22 feet above.  Its builder was an unknown visitor to the Chapel around 1880, who worked without pay and apparently used spruce wood not common to the area.

{{cquote|Three mysteries surround the spiral staircase in the Loretto Chapel: the identity of its builder, the type of wood used, and the physics of its construction.<ref>https://www.lorettochapel.com/info/staircase</ref>}}

{{cquote|Three mysteries surround the spiral staircase in the Loretto Chapel: the identity of its builder, the type of wood used, and the physics of its construction.<ref>https://www.lorettochapel.com/info/staircase</ref>}}