Chartres Cathedral - The Royal (West) Portal, the oldest (c1155) of the three portals - some zodiac signs are to be found in the archivolts of the left and right hand doorways. The symbols of the four evangelists surround a mandorlaed Christ in a "tetramorph" in the central tympanum. (paradoxplace.com)
Gothic cathedral Chartres in France. Note the pilier cantonné - a type of compound pier commonly associated with High Gothic architecture. First used in the construction of the Chartres Cathedral, the pilier cantonné has four colonettes attached to a large central core that support the arcade, aisle vaults and nave-vaulting responds.