Complex sentence: In Dymchurch on Romney Marsh a man dressed as a scarecrow rode down the street annually since 1964 in celebration of local author Russel Thorndike's Dr Syn books, however, in 2008 he was required to walk due to health and safety regulations.
Split into simpler sentences: In Dymchurch on Romney Marsh a man dressed as a scarecrow has ridden down the street annually since 1964 in celebration of local author Russell Thorndike's Dr Syn books. In 2008 he was required to walk due to health and safety regulations.