| http://www.w3.org/ns/prov#value | - The Circular Mound Altar, also called Altar of Worshiping Heaven, was first built in the 9th year (1530) of the Jiajing reign in the Ming Dynasty, which is a three-storeyed round platform built of white marbles while the surfaces of altar, balustrades and poles are all carved out of a kind of stone.
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