Complex sentence: Many have since closed with the large amounts of land taken up by drive-ins being sold off to build houses or shopping centres, although in recent years a number of drive-in theatres have reopened or expanded the number of screens available.
Split into simpler sentences: Many have since closed with the large amounts of land taken up by drive-ins being sold off to build houses or shopping centres. Although in recent years a number of drive-in theatres have reopened and/or expanded the number of screens available.