Skeptics cannot deny that the helix staircase exists, as many visit it each year. They also cannot deny that it lacks a center supporting column as other spiral staircases have support. Skeptics have denied that the Loretto staircase can support much weight, but the foregoing photo proves them wrong about that. | Skeptics cannot deny that the helix staircase exists, as many visit it each year. They also cannot deny that it lacks a center supporting column as other spiral staircases have support. Skeptics have denied that the Loretto staircase can support much weight, but the foregoing photo proves them wrong about that. |