Complex sentence: The zoo endeavors to create an ecologically friendly environment for the animals-the'Swan Lake' with its natural reed clumps and trees providing shade for pelicans, wild geese and other birds, is a perfect example of this.
Split into simpler sentences: The zoo endeavors to create an ecologically friendly environment for the animals. The Swan Lake with its natural reed clumps and trees, provides shade for pelicans, wild geese and other birds, is a perfect example of this.