This, after wrapping up his "365 Days of Leica" project in 2014.
Most easily-available and cheap film is colour negative (CN), which uses a process called C41 (or CN-16) for development. While you can do C41 development at home, the chemicals are a bit nastier, and it's cheaper and easier to use a black-and-white developer. They also keep for longer. Plus, developing colour film in Rodinal gives you a unique look - not quite like anything else.
El revelado desatendido es una sencilla y económica manera de revelar tus negativos de blanco y negro. ¡Hazte con los químicos en tus tiendas Lomography de Madrid y Barcelona!