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(This picture can be enlarged by clicking on it.)
I never had much artistic ability, although I have always admired people who could play a musical instrument or create beautiful art. So I became very intrigued when I learned how to create a line drawing from a photograph.
And I have now discovered a good use for this technique. Many of my slides are very old (like me) and don't always scan well. A slide of the Hall of Prayer for Good Harvest in the Temple of Heaven just wouldn't scan to give me an acceptable -- the colors were 'muddy' and seemed to bleed. I was disappointed.
But I then found that I could make a black-and-white line drawing (above) that actually looked pretty good.
The picture above was scanned from a slide.