Simplify the following text for a Grade 9 native English-speaking person.
Original: Ponta Grossa is also home town of the `` Parque Estadual da Vila Velha '' ( State Park of Old Town ) , a park made up of rocky formations formed over millions of years .
Simplified: The city is home town of the Parque Estadual da Vila Velha ( `` State Park of Old Town '' ) , a park made up of rocky formations formed over millions of years .