Complex sentence: Most of the crime problems come from the former mining town of Redruth which has a severe problem with underage crime and during the summer months the local inhabitants of Redruth descend on the lovely village of Portreath on mass making it a place most tourists avoid.
Split into simpler sentences: Most of the crime problems come from the former mining town of Redruth which has a severe problem with underage crime. During the summer months the local inhabitants of Redruth descend on the lovely village of Portreath on mass making it a place most tourists avoid.