Complex sentence: The forest department is constructing a compound wall on the southern portion of the marsh covering a distance of 5 km. A 870-m-long portion of the boundary wall has been completed on the Sholinganallur side of the Pallikaranai marsh to protect the wetland from encroachers.
Split into simpler sentences: The forest department is constructing a compound wall on the southern portion of the marsh covering a distance of. A portion of the boundary wall has been completed on the Sholinganallur side of the Pallikaranai marsh to protect the wetland from encroachers.