That’s because the Castilla Mayu river surrounds Toracarí and, during Bolivia’s rainy season, transforms into a formidable barrier. A group of students working within the Duke Engineers for International Development (DEID) organization traveled to the town this summer to fix these issues through the construction of a pedestrian bridge. Partnering with Engineers in Action (EIA), which oversaw the project and helped coordinate teams at Virginia Tech and Texas A&M, the students spent the school year planning their project.