It's a long time ago I made my last digital sandwich. In the beginning of my career I've used this technique very often. I'm very influenced by the works of Jerry Uelsmann, who is the grandmaster of the sandwich technique with film negatives. Well, I can only create sandwiches with Photoshop...
I've used some pictures, which I made in September 2014, of a blooming Ipê-amarelo.
As second layer I've used black&white self portraits of my beautiful girlfriend.
And here are the results: