And dreadful and resembling a celestial citadel, Lankā cannot be ascended by means of any support. She has fortresses composed of streams, those of hills, and artificial ones of four kinds.
लङ्कापुनर्निरालम्बा देवदुर्गा भयावहा। नादेयं पार्वतं चान्यं कृत्रिमं च चतुर्विधम् ॥