Toroidal Vortex Interaction Posted on 2019/08/07 by Carl Robitaille 🍩Toroidal Vortex Interaction captured by Nolan Omurahttps://t.co/Bq7RWEhzZO pic.twitter.com/r2tg6q5QeN— Simon Pampena (@mathemaniac) August 7, 2019