If I looked hard enough, I could tell that the city on the sea was illusory. The cobblestone streets were actually water, and the storefronts were the sides of ships.

This dream illustration in ballpoint pen, and over 120 like it, can be found in print form in my Book of Dreams (and Nightmares): Volume 1, available from Amazon (https://www.amazon.com/dp/1548199664).