Leonardo and the memory of a love; the Sodom

However the Laterina bridge or not, it remains that it is the portrait of Sodom, the more I look at it and compare them, the more I am convinced that it is the portrait of Sodom. It is the memories of an old lover that old age was erasing the memory of an old love despite trying to preserve the memory of the memory of Sodom. And then we are in an age of senses and passion and frustration. How many arches that bridge