sentences:  The arch to the south "porticus" is plain, but that to the north "porticus" is supported by decorated stone slabs.The carving on one slab seems to be developed from the style of decoration of the Bewcastle and Ruthwell crosses at the beginning of the 8th century; the style of the other seems to be 9th century.In the 14th century the north and south transepts were added, making the church the cruciform building it is today.