Complex sentence: From 1947 until 1977, Pakistani cinema flourished in Lahore, attracting large audiences and had a strong cult following, part of the cultural mainstream, widely available and imitated by the masses.
Split into simpler sentences: From 1947 until 1977, Pakistani cinema flourished in Lahore. Pakistani films during this period attracted large audiences and had a strong cult following, was part of the cultural mainstream, widely available and imitated by the masses.