Aerial photograph of the Portas do Sol area in the town of Santarém, in Portugal, in the 25th of December 1909, during a flood of the Tagus river.
This image was published on the Ilustração Portuguesa magazine No. 203, of the 10th January 1910, and scanned by the Hemeroteca Municipal de Lisboa.
<bdi><a href="https://en.wikipedia.org/wiki/en:Joshua_Benoliel" class="extiw" title="w:en:Joshua Benoliel"><span title="Portuguese photojournalist (1873-1932)">Joshua Benoliel</span></a>
</bdi>
<a rel="nofollow" class="external free" href="http://hemerotecadigital.cm-lisboa.pt/OBRAS/IlustracaoPort/1910/N203/N203_item1/P15.html">http://hemerotecadigital.cm-lisboa.pt/OBRAS/IlustracaoPort/1910/N203/N203_item1/P15.html</a>