Complex sentence: The vegetation of the open pasture covers 40% of the state, and the Chapada dos Guimarães National Park, with its caves, grottos, tracks and waterfalls, is one of its great tourist attractions.
Split into simpler sentences: The vegetation of the open pasture covers 40% of the state. The Chapada dos Guimarães National Park, with caves, grottoes, tracks, and waterfalls, is one of its great tourist attractions.