The central event, the Nativity of Jesus, takes place in a shed enclosed by two pillars and an archway above, painted in sculpture-like grisaille.
The central event takes place in a shed. This shed is enclosed by two pillars above-like grisaille. This was painted in sculpture. This shed is enclosed by an archway above-like grisaille. This was painted in sculpture. The Nativity of Jesus is the central event.