Dongrae Hakchum(동래학춤): Crane Dance!!!

Dongrae Hakchum(동래학춤) is a traditional Korean dance passed down in Busan(or Pusan). Dongrae is an old name of Busan.
The dancers describe crane's movements. Dongrae Hakchum was basically danced by Seonbi(Korean scholars), so its movements look so elegant and spiritual. How is it? Isn't it so wondrous?