The 4th season 2017-2018 began with what has probably been the most relevant activity developed by La Posta since its inception, at least as regards its global reach, it is "Alexander Kluge. Gardens of Cooperation "; and it has ended the same, with the world premiere of the montage conceived by Harold Berg "Gordon Matta-Clark, Jacob's Ladder in Documenta 6", made with unpublished material never before shown.