Complex sentence: In the background of the oval shield the volcano Chimborazo, the river originating from its base represents the Guayas, both symbolize the beauty and wealth of the respective regions (Sierra or Costa).
Split into simpler sentences: In the background of the oval shield is the volcano Chimborazoand the river originating from its base represents the Guayas. They both symbolize the beauty and wealth of the respective regions (Sierra or Costa).