This drawing depicts an architectural interior with an archway and vaulted ceiling. The rough, sketch-like style shows a section of the vaulted ceiling supported by a column transitioning into a curved arch. The emphasis is on the lines of the vaults and arches, accented with cross-hatching for depth. There are outlines that could represent windows or columns, hinting at further details. The upper part of the drawing includes abstract marks that may suggest figures or additional details. The medium is pen and ink on paper with aged patina.