The Nautilus, Greek for 'sailor', is a mollusk that has survived unchanged for millions of years. They represent the only living member of the subclass Nautiloidea, and are often referred to as 'living fossils'.
Thierry Cohen made these by combining the daylight pics of the cities and the pristine skyline of the desert at the same latitude, direction, and angle. He wants to show what city dwellers would see without all the light pollution