5BCDC310-EDB8-4F72-BD9B-F3082E842FAE Published February 6, 2020 at 2560 × 1288 in January 22, 2020: Heading South to See the Tribes of the Omo Valley ← Previous / Next → High schoolers. We called them the “blue school” because of the colors of their uniforms. During our trip we saw all sorts of different colored uniforms.