Author: Rod Luebbert ~ Source: How to Vectorize an Image
8. After finishing all the arches (the second most distinctive shapes of the image), we can move to the horizontal lines, and then jump to the pillars of the building. Remember that we will simplify the details, so don’t spend too much time on them, just follow the main shapes.
In this stage of our tracing process, complete all the shapes that we want to have in our composition. Below is how it will look.
(You can hide the image of the background just clicking on the “eye” icon from the layer panel – or select the image and press “CMD+3”.)