Complex sentence: Barren land above 5,000 m (16,400 ft) comprises 69% of the park while 28% is grazing land and the remaining 3% is forested.most of the park area is very rugged and steep, with its terrain cut by deep rivers and glaciers.
Split into simpler sentences: Barren land above 5,000 m (16,400 ft) comprises 69% of the park while 28% is grazing land and the remaining 3% is forested. Most of the park area is very rugged and steep, with its terrain cut by deep rivers and glaciers.