Complex sentence: The cemetery has been in use for many years but has recently started to overflow into the neighbouring houses and the entire area is permeated with a foul smell, turning fresh produce rotten in far shorter times than natural and tainting the breath of those who live there.
Split into simpler sentences: The cemetery has been in use for many years and has recently started to overflow into the neighbouring houses. The entire area is permeated with a foul smell, turning fresh produce rotten in far shorter times than natural and tainting the breath of those who live there.