<p>It consists of 3 levels: the bottom level is a circular base bearing a pair of fabulous animals, on the second level are 4 standing human figures supporting hills on their heads. The top level is a four-sided structure adorned with human figures and human-headed birds. 
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The 3 levels probably represents the vertical order of man, earth and heaven.
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<a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/9751325@N02/6049076916">Bronze Holy Altar (青銅神壇)</a>