Complex sentence: Candaba swamp is of freshwater ponds, swamps, and marshes, sorrounded with grassland flooded from time to time, grounds of rich soil, and wide area of muddy plain.
Split into simpler sentences: Candaba swamp is of freshwater ponds, swamps, and marshes, sorrounded with grassland flooded from time to time. Grounds of rich soil, and wide area of muddy plain.