Reliquary, one bone of Saint Ansanus on the altar, chi-rho

Siena Cathedral exterior design, sun symbol on top

Mother and child painting, disc on their heads, solar disc

Siena Cathedral, Siena Italy, full side view

Painting of Jesus, glowing sun rays on the head, solar disc

Ceiling of Siena Cathedral, sun symbol

Geometrically derived cross and overlapping circles

Siena Cathedral ceiling, different Christian sceneries

Siena Cathedral, Siena Italy, upper side view

Siena cathedral interior, six six-point solar discs