Complex sentence: His work with Giotto di Bondone resulted an exploration of artistry that led away from traditional medieval cratsmanship and toward solidly three-dimensional characters using contrasting dark and light shades to suggest depth and shape.
Split into simpler sentences: His work with Giotto di Bondone resulted an exploration of artistry that led away from traditional medieval cratsmanship. This is accomplished through the use of contrasting dark and light shades to suggest depth and shape.