Complex sentence: Opposite stands the'Folly', although currently its future is in doubt; built by local business man Bettison in the 19th century, this tower contains the only fully working retractable flag pole in the country.
Split into simpler sentences: Opposite stands the'Folly', which was built by local business man Bettison in the 19th century. This tower contains the only fully working retractable flag pole in the country.