A woman practices yoga in central China's Hunan Province on June 20, 2018, on the eve of International Yoga Day. Yoga, which means 'union' in Sanskrit, is a family of ancient spiritual practices and a school of spiritual thought from South Asia, where it remains a vibrant, living tradition and is seen as a means of enlightenment. (Photos: Xinhua)

A group of women practice yoga in central China's Hunan Province on June 20, 2018, on the eve of International Yoga Day. Yoga, which means 'union' in Sanskrit, is a family of ancient spiritual practices and a school of spiritual thought from South Asia, where it remains a vibrant, living tradition and is seen as a means of enlightenment.

A group of women practice yoga in central China's Hunan Province on June 20, 2018, on the eve of International Yoga Day. Yoga, which means 'union' in Sanskrit, is a family of ancient spiritual practices and a school of spiritual thought from South Asia, where it remains a vibrant, living tradition and is seen as a means of enlightenment.

A group of women practice yoga in central China's Hunan Province on June 20, 2018, on the eve of International Yoga Day. Yoga, which means 'union' in Sanskrit, is a family of ancient spiritual practices and a school of spiritual thought from South Asia, where it remains a vibrant, living tradition and is seen as a means of enlightenment.

A group of women practice yoga in central China's Hunan Province on June 20, 2018, on the eve of International Yoga Day. Yoga, which means 'union' in Sanskrit, is a family of ancient spiritual practices and a school of spiritual thought from South Asia, where it remains a vibrant, living tradition and is seen as a means of enlightenment.