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Page:Popular Science Monthly Volume 72.djvu/234

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POPULAR SCIENCE MONTHLY

PSM V72 D234 View from the top of the haining sea wall.png

View from the Top of the Sea Wall, showing the Successive Ledges of the Sea-footing and a Buffer in the Distance.

driven. These buffers are slightly higher than the sea-wall itself and also extend out beyond the last row of piles which forms the edge of the wall's sea-foot. Topped with earth which affords a rooting place for bushes and small trees, they constitute a notable feature of this very creditable piece of Chinese engineering. Some idea of the destructive force of the bore may be had by inspecting the first buffer east of the pagoda. It is about one third demolished, so that instead of a well-rounded form it now consists of four or five distinct terraces, which are probably constantly settling down and pushing the lower terraces into positions affording less resistance to the tide. On the other hand, the buffer just west of the pagoda is in splendid repair and behind it high up on the topmost granite platform several junks were enjoying a safe shelter.

The stones on the top of the wall are from twelve to sixteen inches wide, sixteen to eighteen inches thick, and from three and a half to four feet long, and most of the blocks used both in the wall and in the platforms of the footing seem equally large. Along the top of the