Photo Caption: Hundreds of people attend a yoga session on the square at the foot of the Eiffel Tower on June 21, 2015 in Paris, France. 192 countries join in for a mass yoga session to mark the first International Yoga Day. (Frederic Stevens/Getty Images)
Yep, on International Yoga Day (June 21), an estimated TWO BILLION people around the world participated in yoga classes.
One class in New Delhi, India, had 36,000 people attend, including Indian Prime Minister Narendra Modi.