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Well, I use one photo of Leo Mardi davinci then use some filters for edge detection and increase the selection. After that I use some filters for color change and layers for selectively change the characteristics. After that I used some filter of ColorEfexPro and viveza for some changes and here is the output.
I think it need more explanation, once you explore any graphics design tools, I can explain you in detail.

Have a Nice Day ...

Wow, so all with filters only ? Incredible. Yes, if one day you explain it in details, I would be interested. Thanks.

Don't reveal your secret recipe ;-)
Very nice one. Really liked it.
Very interesting artworks.