Last year I had a dream. We were at my grandparents’ house and my late sister was standing there, looking at me. I carefully approached her and she whispered to me: “Soñé que revelabas”. I woke up trying to make sense of that sentence. Revelar in Spanish is both to manifest or make public something that was a secret or unknown, and the chemical process in photography by which a latent image becomes visible. She was my oldest sister, my best friend and confidant and had a gift to make me feel…