2 "Ficheiro:Old_Electric_Station_-_panoramio.jpg".

Ficheiro:Old Electric Station - panoramio.jpg

English operator: Panoramio described at URL: https://web.archive.org/web/20161030134613/http://www.panoramio.com/photo/97906239...


Ficheiro:Old Philadelphia Electric Southwark generating station - panoramio.jpg

English operator: Panoramio described at URL: https://web.archive.org/web/20161010213234/http://www.panoramio.com/photo/5563635 determination method or...