Complex sentence: This deep, splayed passageway has an arched lintel decorated with plant motifs that introduces serried ranks of arches on either side resting alternately on small columns and pillars variously decorated with fantastic creatures and inlaid geometric patterns.
Split into simpler sentences: This deep, splayed passageway has an arched lintel decorated with plant motifs that introduces serried ranks of arches on either side. They are resting alternately on small columns and pillars variously decorated with fantastic creatures and inlaid geometric patterns.