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In page Ur:

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Though some of the areas that were cleared during modern excavations have sanded over again, the Great Ziggurat is fully cleared and stands as the best-preserved and most visible landmark at the site.[1] The famous Royal tombs, also called the Neo-Sumerian Mausolea, located about 250 metres (820 ft) south-east of the Great Ziggurat in the corner of the wall that surrounds the city, are nearly totally cleared. Parts of the tomb area appear to be in need of structural consolidation or stabilization.[citation needed]