At the invitation of research platform Aula Ciutat and in cooperation with UIMP (Universidad Internacional Menédez Pelayo), Eva, together with Danya Sherman, director Education en Citizens Participation of High Line Park in New York, gave a lecture on successful examples of innovative urban projects, initiated by the citizens themselves. This lecture was coupled with an exhibition about ‘voids’ in Valencia and closed with a public debate about the opportunities for filling these empty spaces and innovative urban development strategies.