In the aftermath of the 2006 Israeli war on Lebanon, Ghassan Halwani consciously withdrew from the solo-artist-career, judging that there's nothing to be told after witnessing such atrocities. He began a series of collaborations with national and Arab playwrights, filmmakers, musicians, writers. He also contributed to the foundation of several collective projects, including Mansion and The Forest School. In 2012, he collaborated on the creation and institutionalization of a national archive dedicated to the disappeared persons in Lebanon, and, in parallel, he completed the film Erased, Ascent of the Invisible in 2018, an attempt to propose a political, materialist and poetic proposition to this interminable cause.