AÑELO, Neuquén.-“this is Vaca Muerta”. Juan Carlos Pais points his gaze towards a labyrinth of steel pipes installed in the middle of the desert. Giant and colourful, similar to the Pompidou Museum in Paris, the gas compressor plant moans loudly nearby. The engineer, who oversaw Pharaonic works in different parts of the world, feels a special pride for this. “it will be a memorable story. tell them that in Buenos Aires ” This is Vaca Muerta,  rock that sinks to three thousand meters…