Creative Canvas Recovery

Have you ever find a canvas in the street? I am a great expert in canvas recovery. 
Both types: the ones I find on the street and the ones I accidentally buy at flea markets, when I procure vintage frames for my works.
A strip with the four pictures of the phases of recovering and painting over a "second-hand" canvas, with a large cut, that I found in the street .
The 4 phases of painting over a recovered canvas. 
Often they are canvases with cuts, tears, distortions and, above all, previous work, often absolutely too amateurish and enriched with conspicuous flaws in the drafting and varnishing.

To recover the tears, I glue a sheet of thick, strong paper well soaked in 20% diluted vinyl glue on the back side of the canvas.
A picture of the first phase of the recovery. Scrapping old collages and falling paints. 
However, this time, due to the abundant Dammar varnish underneath, it was impossible to make vinyl and acrylic adhere. Consequently, I scraped off everything that came loose with a spatula and covered the entire canvas surface again with thick but transparent Japanese tissue paper in a slightly yellow color.
Then I started to sketch the subject of my painting: in this case the view from my window in autumn in Berlin.
A picture of the second phase of recovering a canvas. 
During this phase, the previous work is still very visible, and this, for me, is an absolute source of inspiration.
For years, I have been conducting my own research into the infinite worlds visible in a patch of colour. 
Painting on refurbished, found, used canvases gives me infinite pleasure. 
And after a few more passes, with oil pastels, pencils, paper collages and acrylic colors, the final result, the research I undertook for this winter: mixed media and a more abstract representation of cities.
A picture representing the sight out of my window. Result of a canvas recovery.
Last phase and final result. 
L. F.