<p>1871 P.Z. <a class="external text" href="https://en.wikipedia.org/wiki/Capri">Capri</a> - <a class="external text" href="https://en.wikipedia.org/wiki/Blue_Grotto_(Capri)">La Grotta Azzurra</a>. Photochrom print by <a class="external text" href="https://en.wikipedia.org/wiki/Photochrom">Photoglob Zürich</a>, between 1890 and 1900.
</p><p>From the <a rel="nofollow" class="external text" href="https://www.loc.gov/pictures/collection/pgz/">Photochrom Prints Collection</a> at the <a rel="nofollow" class="external text" href="https://www.loc.gov/pictures/">Library of Congress</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/search/?s=int&amp;w=76204898@N00&amp;q=photochrom+italy&amp;m=tags">More photochroms from Italy</a> | <a rel="nofollow" class="external text" href="https://www.flickr.com/search/?q=photochrom&amp;w=76204898@N00">More photochrom prints</a>
</p>
<b>[PD]</b> <a rel="nofollow" class="external text" href="http://loc.gov/pictures/resource/ppmsca.06435/">This picture</a> is in the public domain
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/76204898@N00">…trialsanderrors</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/trialsanderrors/4826721299/">Blue Grotto, Capri, Campania, Italy, ca. 1895</a>