David Castillo, director of the UB Humanities Institute, stands under the Willow Trellis at Silo City as he welcomes participants to the 2021 Humanities Festival last weekend. History professor Dalia Antonia Caraballo Muller and three of her undergraduate students (from left, Suhana Monsalve, Alexis Harrell and Stephie Ikama) opened the festival with a presentation on “The Impossible Project.” Photo: Christina Milletti