Watch: World takes to the mat ahead of International Yoga Day

Thousands of enthusiasts around the world are gearing up for the International Yoga Day which is celebrated on June 21. In India, prime minister Narendra Modi will attend the main event that will be held at the Forest Research Institute in Dehradun. From South Korea, Vietnam, Amsterdam to Nepal, people have been practicing ahead of the event. In Vietnam, around a thousand people gathered in Hanoi on June 16 in a mass event and similar events are being held in the country's 10 cities and provinces this week. The United Nations declared June 21 as the International Yoga Day in 2014.