lake tolla corsica. deep green trees surround the blue lake with its crystal clear water. corsica france

above aerial ajaccio blue canyon coastline corse corsica country crystal dam destinations drone ecosystem edge environment fir forest france freshwater fuel generation green high hiking hill hydroelectric idyllic island journey lac lake landscape mediterranean mountain natural nature panorama power protection pursuit range ravine recreational reserve reservoir resources rural scene scenery seascape sud surround sustainable tolla tourism tranquil travel trees vacation vacations valley water woodland