sentences:  Together they form the Missolonghi–Aitoliko Lagoons complex.The lagoon was partly drained in the 20th century especially in the western portion in which a part of the land extended southward with farmlands and dikes.The island of Aitoliko or sometimes the peninsula extended by 15 km and 200 m making it the longest extension, the eastern half became a canal and it resembles as a dike.