A trópos is a recurring element. A trópos is a motif in narrative. (Yes, also in visual narrative). A trópos is a cliché. Everything can become a trópos, but each of them is not present as itself. It is there to direct to something else. A trópos keeps changing: that's what makes it always the same.
The Great Illusion
New opportunities in unconventional gas exploitation let Europe dream of lightening its dramatic dependence on Russian supplies. Yet, the first tests confirm that european unconventional gas deposits are poorer than expected and their extraction would have limited benefits and no significant impact on consumption.