From the article Epidemiologist Dr Lalit Kant says "huge groups of mask-less pilgrims sitting on the river bank singing the glories of the Ganges" created an ideal environment for the virus to spread rapidly. "We already know that chorus singing in churches and temples are known to be super-spreader events."
Seems quite outdoorsie
https://www.bbc.co.uk/news/world-asia-india-57005563
From the article Epidemiologist Dr Lalit Kant says "huge groups of mask-less pilgrims sitting on the river bank singing the glories of the Ganges" created an ideal environment for the virus to spread rapidly. "We already know that chorus singing in churches and temples are known to be super-spreader events."