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This is a page of sketch plans Stein made of
some of the structures he found in the vicinity of Khara-Khoto - these are
watch towers and small forts along the ancient Han Dynasty wall. On the upper
left is a section sketch showing how the blocks of compact clay quarried
locally were used with mud mortar to build sturdy walls. In other words these
are NOT man-made clay bricks but denser natural clay blocks. But some sections
were built of layers of clay compacted by stamping. The walls were given added
strength by layers of fascines.
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