The seven-metre-high wall that enclosed the dockyards was surrounded by a deep and wide moat.
Across the nation windowless inward-turning shopping malls are surrounded by moat-like parking lots.
Each hut was surrounded by a water-filled moat to exclude ants and spiders.
Initially, the outer moat had marked its boundaries.
With population pressure rising, some residents petitioned to fill-in the palace moat and use that land for new construction.
Until the middle of the seventeenth century, the city magistrates' jurisdiction extended only over the area within the outer moat.
The structure has a large central uplift surrounded by a moat and a peripheral terrain with rotated fault blocks.
Is there a duty to drain the moat (shut off the current) in order to avoid excessive punishment?
