<p><b><big>Ram Yantra</big></b> is formed of a double circular structure of twelve pillars and twelve horizontal slabs, graduated. The gnomon is used to read directly  the <a href="https://en.wikipedia.org/wiki/Azimuth" class="extiw" title="en:Azimuth">azimuth</a> of the planets in relation to the earth. 
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<a href="//commons.wikimedia.org/wiki/User:Daniel_VILLAFRUELA" title="User:Daniel VILLAFRUELA"> Daniel VILLAFRUELA</a>
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