oq-gem

Glossary for gem taxonomy

The building footprint is a round shape; circular, elliptical, or ovoid, and it has an interior open courtyard (whether roofed or not).

PLFCO_Beijing_China_GoogleEarth_1

Beijing National Stadium (also known as the Bird's Nest) has a circular plan shape with an opening (Map data ©2013 Google, DigitalGlobe)

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