Simplify the following text for a Grade 8 native English-speaking person.
Original: Northeast Arnhem Land is home to the indigenous Yolngu people , one of the largest Indigenous groups in Australia , and one who have succeeded in maintaining a vigorous traditional indigenous culture .
Simplified: North east Arnhem Land is home to the Yolngu people , one of the largest indigenous groups in Australia . They have been able to keep their traditional indigenous culture .