Original sentence: It supports a major fishery, and powers the hydroelectric plant installed on it; the Agus River system generates 70% of the electricity used by the people of Mindanao.This lake is surrounded withthe subject of various myths and legends
Edited sentence: This breathtakingly beautiful lake is surrounded with myths and legends, it is the main source of fisheries, and the main source of a hydroelectric plant installed on it; and the Agus River system that generates 70% of the electricity used by the people of Mindanao