Could there be a connection between stilling and group practice of Yogic Flying?
https://www.abc.net.au/news/2018-10-27/land-wind-speeds-slowing-down-over-land-the-stilling/10392980 https://www.abc.net.au/news/2018-10-27/land-wind-speeds-slowing-down-over-land-the-stilling/10392980