Complex sentence: Each year, a "May Queen" would be chosen and crowned and then celebrants would dance around a Maypole and, at night, bonfires would be lit. The Maypole had a crown at the top, with streamers or ribbons hanging from just below.
Split into simpler sentences: Each year, a "May Queen" would be chosen and crowned and then the celebrants would dance around a Maypole. At night, bonfires would be lit. The Maypole had a crown at the top, with streamers or ribbons hanging from just below.