Complex sentence: Bell accompanied both Christie and her husband Sir Max Mallowan, a renowned archaeologist, on a series of digs in Syria of which a selection of Bells drawings were later published by the British Museum magazine.
Split into simpler sentences: Bell accompanied both Christie and her husband Sir Max Mallowan, a renowned archaeologist, on a series of digs in Syria. While there he made s series of drawings, some of which were later published by the British Museum magazine.