This video shows the links to Lotus Hands from North Indian Classical Dance (Kathak), as well as liuhexinyi.
This next video shows the tight connection between history, Chinese opera, film, and martial arts. Wong Fei Hung was real person who is credited with ending opium addiction in South China, among other things, he became a mythic kungfu hero. Numerous films have been made about him. And to top it all off, his wife, his real wife, is doing kungfu in the video below, in an opera costume on a movie set. Hat Tip to Practical Hung Kyun