In October 1982 I published an article entitled "Laser technology - breakthrough successful" as the specialist editor of "Idea - Das Magazin für Ingenieure". Since holography was one of my areas of specialization during my studies at the Ruhr University in Bochum, this interesting and future-oriented technology should of course not be missing. In order to cover the wide range of their areas of application, e.g. to round off the nondestructive testing of materials, etc., the artistic aspects of holography should also be examined. While researching, I found Mr.
Portugal and the ocean are part of it, and so maritime motifs in street art are found to fit even when they appear on ruins under high voltage power lines. The fish chosen here as the lead (unfortunately without a recognizable signature) belongs in this category and we were able to look at this beautiful picture just before a highway entrance near Aveiro.