A private school in India’s capital city, Delhi, provides education in open-air classes to underprivileged students. Students living in slums near the Yamuna River, which passes through the city, continue their education in open-air classes built under the bridge where the New Delhi Metro passes. Volunteer teachers teach in classrooms, and the bridge walls painted and are used as blackboard. students are trying to close the lecture gap that occurred during the Covid-19 pandemic.