Nilgiri Mountain Railway: The History of the Ooty Toy Train, India's Rack Railway
How the Ooty toy train climbs 1,900 metres from Mettupalayam to Ooty: the 1899 and 1908 openings, the Abt rack system, Swiss X class steam engines, UNESCO status, Chaiyya Chaiyya, landslips, and 2026 timings and fares.