Complex sentence: During the 1960s the Park Farm Hotel was opened at Park Farm Shopping Centre, but this closed and was boarded up in the late 1990s and has never reopened due to the general downturn in the pub business.
Split into simpler sentences: During the 1960s a pub was built at Park Farm Shopping Centre (Park Farm Hotel)-this was boarded up in the late 1990s and has never reopened. This was due to the general downturn in the pub business.