15 photos that show how yoga has spread all over the world

From India, to China, to Canada, yoga enthusiasts around the world are celebrating International Yoga Day on June 21. Practicing yoga has been shown to have significant health benefits, such as helping to maintain a balanced metabolism, relieve stress, and improve cardio and circulatory health.

Yoga's origins date back to more than 10,000 years ago, but in recent years it has become such a popular fad that it has slowly spread all over the world. In both 2014 and 2015, yoga was named one of the top 10 growing fitness trends in a survey conducted for the American College of Sports Medicine.

International Yoga Day is celebrated annually on June 21. Below, see how people around the world are celebrating.