For millions of children in the world, going to school is a daily challenge. Poverty, isolation, war and insecurity stand as obstacles to their quest for knowledge. But a desire which overcomes everything pushes children to make their way to school every morning, despite obstacles which for us are unimaginable. Some children meet wild animals, others climb up or down mountains, cross rivers, contend with extreme temperatures, cross deserts on horseback or walk along busy railway lines. Just to get to school.