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Geography

How Religious Festivals Shape the Seasonal Population of Sacred Towns

Quick fact

During the Kumbh Mela, the population of Prayagraj (India) can swell from ~1 million to over 10 million within weeks, creating a temporary megacity that is both a spiritual gathering and a logistical marvel.

Why this is interesting

Imagine a quiet town whose population multiplies by ten on a single day—and then shrinks back. What causes such a dramatic, predictable transformation?