Complex sentence: Arkley returned from a trip from Europe where he had searched for inspiration, upon walking home he noticed the pattern of his front gate, he then ran around to all his neighbours gates using them as inspiration in his later artworks.
Split into simpler sentences: Arkley returned from a trip from Europe where he had searched for inspiration. Upon walking home, he noticed the pattern of his front gate, he then ran around to all his neighbours gates using them as inspiration in his later artworks.