Simplify the following text for a Grade 9 native English-speaking person.
Original: See Korean Demilitarized Zone , Vietnamese Demilitarized Zone , Ben Hai River , Hien Luong Bridge
Simplified: The most famous Demilitarized Zone is the Korean Demilitarized Zone on the land between North Korea and South Korea . No one can go into the Demilitarized Zone , so the wildlife is well preserved .