A large group of school children join Dr. Erach "Doc" Bharucha at the Keoladeo Bird Sanctuary in Bharatpur. Amid lush vegetation and a lively orchestra of birds, the natural landscape of the sanctuary comes alive for these young, intrepid explorers.;The Roshni World Heritage Sites of India series aims to introduce India's young readers to the richness of our natural and cultural heritage through UNESCO-designated World Heritage Sites.