Ban goc (Tiếng Anh)

Call'd Malebolge, all of rock dark-stain'd With hue ferruginous, e'en as the steep That round it circling winds. Right in the midst Of that abominable region, yawns A spacious gulf profound, whereof the frame Due time shall tell. The circle, that remains, Throughout its round, between the gulf and base Of the high craggy banks, successive forms Ten trenches, in its hollow bottom sunk. As where to guard the walls, full many a foss Begirds some stately castle, sure defence Affording to the space