Simplify the following text for a Grade 8 native English-speaking person.
Original: Demand from the town 's residents meant that part of the historic town â '' most notably the 16th century and the 18th century houses of Pan Ha ' opposite the harbor â '' were salvaged and preserved for future generations .
Simplified: People living in the town were able to protect some areas , most notably the 16th century and the 18th century houses of Pan Ha ' opposite the harbor . These have been repaired and preserved for future generations .