HHF architects (Tiilo Herlach, Simon Hartmann und Simon Frommenwiler) is a young, Basel-based international practice with projects in Switzerland, Germany, the United States, China, Mongolia and Mexico. The work of HHF is defined by the paradoxical desire to be direct and down to eath on one hand and sophisticated on the other. This may explain why they regularly collaborate with Chinese artist, architect and activist Ai Wei Wei.