Complex sentence: They discovered that the roofs on the village's homes are pitched so steeply that the storks cannot find space to nest on the sharp ridges, and placing a wagon wheel on each roof ridge would give storks a place to nest.
Split into simpler sentences: They discovered that the roofs on the village's homes are pitched so steeply that the storks cannot find space to nest on the sharp ridges. They decided placing a wagon wheel on each roof ridge would give storks a place to nest.