Complex sentence: In the Gran Sabana is randomly distributed ancient massifs eroded in tabular form, known as tepuis, examples of inverted relief, which form a kind of typical plateaus of the Guiana highlands.
Split into simpler sentences: In the Gran Sabana, there are randomly distributed ancient massifs eroded in tabular form, known as tepuis. These are examples of inverted relief, which form a kind of typical plateau of the Guiana highlands.