Navghan Kuwo : just a few years shy of being a thousand years old (it was apparently built in 1026 AD, though some accounts say it is much older), is partly hewn out of soft rock and partly built up structurally like other wells. The stairs that lead down 52 m (170 ft.) to the water level spiral around the well shaft itself, which is also very uncommon. The water from Navghan Kuwo is what allowed Uparkot to withstand many long sieges.
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