Complex sentence: Badu-Badu is a more raw and less refined variation of Muay Thai Boxing rumoured to have begun in the city of Ban Nong Pradu, a martial art popular in the communities of South East Asia.
Split into simpler sentences: Badu-Badu is a more raw and less refined variation of Muay Thai boxing, and is rumoured to have begun in the city of Ban Nong Pradu. It is a martial art popular in the communities of South East Asia.