Roll hall of a ridge, after lap door, hall after hall is the hexagonal kiln, glazed tile is the top cover.

大殿一卷一脊，后有一圈门，大殿后是六角窑殿，全是琉璃瓦盖顶。

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Its capital Beijing after the Yuan Dynasty, began here in a kiln fired by the palace of the glazed tile, so named.

元代定都北京后，开始在这里设窑烧制皇宫用的琉璃瓦，因此而得名。

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The sarcophagus, along with a Roman tile kiln, Saxon grave goods and pottery unearthed at the site, sheds light on a "hidden" two hundred year period in the history of the capital, the museum said.

BBC: NEWS | UK | England | London | London Roman's remains go on show