Dancers perform the Bharatanatyam during the Ananya Dance Festival 2013 in New Delhi, capital of India, Oct. 6, 2013. Bharatanatyam is a classical Indian dance which is popular in south India's state of Tamil Nadu. It is well-known for its grace, purity, tenderness and sculpturesque poses. Today, it is one of the most popular and widely performed dance styles in the world. (Xinhua/Zheng Huansong)