Oblique projection of the Mercury temple with the observatory in the background - Watercolor painting by L. C. Bruyerre (1876) preserved in the <i>espace du temple de Mercure</i> (Puy-de-Dôme).
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<a href="//commons.wikimedia.org/wiki/User:Tangopaso" title="User:Tangopaso">Tangopaso</a></div>
<span class="int-own-work">Self-photographed</span>