Simplify the following text for a Grade 10 native English-speaking person.
Original: The etymology of Aksai Chin is uncertain regarding the word `` Chin '' .
Simplified: Aksai Chin is one of the two main border disputes between India and China , the other being the dispute over Arunachal Pradesh . Aksai Chin ( the name literally means `` Chin 's desert of white stones '' ) is a very large high-altitude desert of salt that reaches heights up to 5,000 metres .