International Day of Yoga: The five principles of yoga explained
Massive preparations are under way in India to celebrate the first International Day of Yoga on Sunday.
Among the events will be a world record attempt, seeing 35,000 people perform 35 minutes of exercises, led by trained yoga teachers.
PC Kapoor of the International Sivananda Yoga centre explained what yoga involves, and the five principles that underpin the practice.
Video journalist: Bhas Solanki