<a href="https://en.wikipedia.org/wiki/Budapest_Zoo_%26_Botanical_Garden" class="extiw" title="en:Budapest Zoo &amp; Botanical Garden">Budapest Zoo &amp; Botanical Garden</a>: Construction of the artificial rock, containing a water reservoir. The photo was taken in approx. 1907.
Unknown photographer. Scan by uploader.
Scan of and old photo in the Memorial Book of the Public Works Council Budapest, published 1930. A digital copy of the same photo can be seen in this <b>HOAX</b> page <a rel="nofollow" class="external free" href="http://hugolakner.com/">http://hugolakner.com/</a>, with false explication text. <br> To identify the Zoo construction site see <a rel="nofollow" class="external free" href="http://www.viztorony.hu/h/budapest/69.html">http://www.viztorony.hu/h/budapest/69.html</a>) <br> Note: The earlier description saying "Gellért Hill" and "Lakner" were a farce, false, joke, hoax.