How did the pilgrimage centres develop from the travels of Azhvars and

1.	How did the pilgrimage centres develop from the travels of Azhvars and Nayanars?
Answer» During the travels of Azhvars and Nayanars, they recognized certain holy spots as the abodes of their favourite gods. In these places, they built huge temples. These temples later became pilgrimage centres. The recitation of the hymns written by pious poets and worshiping the idols of favourite gods became part of the rituals followed in these temples.

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