It is glazed brick.

是用釉面砖铺就的。

youdao

Inside the museum is one of the site's most valuable relics: a glazed brick relief of a lion, one of 120 that once lined the processional way into the city.

在博物馆内放置着该地区最有价值的一件文物——狮子釉砖浮雕，是入城道路上120座浮雕中的一座。

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Nga - ray slabs in maintaining the identity of Richland Brick products, Nga - ray glazed brick to smooth, soft luster, texture delicate effect, consumers have favored.

雅光砖在保持丽晶砖产品特性的同时，雅光砖以釉面平滑、光泽柔和、质感细腻的效果，获得消费者的青睐。

youdao

Following excavations in the early 20th century, European archaeologists claimed key features such as the remains of the famous Ishtar Gate -- the glazed brick gate decorated with images of dragons and aurochs, built in about 575 BC by order of King Nebuchadnezzar II as the eighth gate to the inner city.

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Voices travel up from the ground floor in a smokestack effect and ricochet around the preserved glazed-white brick walls. (The "new" library prefers buzz over the code of silence of the old library.) How different from the older sections of the library where, for instance, one reading room has restored its carved plaster ceiling reproducing Michelangelo's Laurentian Library in Florence.

WSJ: The Library's Future Is Not an Open Book | By Julie V. Iovine | Public Library Renovation