(FILES) Pilgrims arrive with their belongings at a railway station in Prayagraj on January 31, 2025, after partaking in the ongoing Maha Kumbh Mela festival. The unfathomable scale of the world's largest religious festival in India overshadows many nations in size -- and for the economy, its impact is just as dramatic. (Photo by R. Satish BABU / AFP) / To go with AFP story India-Religion-Festival-Economy,FOCUS by Bhuvan Bagga (Photo by R. SATISH BABU/AFP via Getty Images)