Dunhuang Research Academy has released a series of photos of grotto paintings that depict the celebration of the Longtaitou Festival, which means "dragon head raising" and is marked on the second day of the second month in the Chinese lunar calendar, March 10 this year. The festival refers to the start of spring and farming. [Photo provided by Dunhuang Research Academy]

Dunhuang Research Academy has released a series of photos of grotto paintings that depict the celebration of the Longtaitou Festival, which means "dragon head raising" and is marked on the second day of the second month in the Chinese lunar calendar, March 10 this year. The festival refers to the start of spring and farming. [Photo provided by Dunhuang Research Academy]

Dunhuang Research Academy has released a series of photos of grotto paintings that depict the celebration of the Longtaitou Festival, which means "dragon head raising" and is marked on the second day of the second month in the Chinese lunar calendar, March 10 this year. The festival refers to the start of spring and farming. [Photo provided by Dunhuang Research Academy]

Dunhuang Research Academy has released a series of photos of grotto paintings that depict the celebration of the Longtaitou Festival, which means "dragon head raising" and is marked on the second day of the second month in the Chinese lunar calendar, March 10 this year. The festival refers to the start of spring and farming. [Photo provided by Dunhuang Research Academy]

Dunhuang Research Academy has released a series of photos of grotto paintings that depict the celebration of the Longtaitou Festival, which means "dragon head raising" and is marked on the second day of the second month in the Chinese lunar calendar, March 10 this year. The festival refers to the start of spring and farming. [Photo provided by Dunhuang Research Academy]

Dunhuang Research Academy has released a series of photos of grotto paintings that depict the celebration of the Longtaitou Festival, which means "dragon head raising" and is marked on the second day of the second month in the Chinese lunar calendar, March 10 this year. The festival refers to the start of spring and farming. [Photo provided by Dunhuang Research Academy]

Dunhuang Research Academy has released a series of photos of grotto paintings that depict the celebration of the Longtaitou Festival, which means "dragon head raising" and is marked on the second day of the second month in the Chinese lunar calendar, March 10 this year. The festival refers to the start of spring and farming. [Photo provided by Dunhuang Research Academy]

Dunhuang Research Academy has released a series of photos of grotto paintings that depict the celebration of the Longtaitou Festival, which means "dragon head raising" and is marked on the second day of the second month in the Chinese lunar calendar, March 10 this year. The festival refers to the start of spring and farming. [Photo provided by Dunhuang Research Academy]

Dunhuang Research Academy has released a series of photos of grotto paintings that depict the celebration of the Longtaitou Festival, which means "dragon head raising" and is marked on the second day of the second month in the Chinese lunar calendar, March 10 this year. The festival refers to the start of spring and farming. [Photo provided by Dunhuang Research Academy]

Dunhuang Research Academy has released a series of photos of grotto paintings that depict the celebration of the Longtaitou Festival, which means "dragon head raising" and is marked on the second day of the second month in the Chinese lunar calendar, March 10 this year. The festival refers to the start of spring and farming. [Photo provided by Dunhuang Research Academy]

Dunhuang Research Academy has released a series of photos of grotto paintings that depict the celebration of the Longtaitou Festival, which means "dragon head raising" and is marked on the second day of the second month in the Chinese lunar calendar, March 10 this year. The festival refers to the start of spring and farming. [Photo provided by Dunhuang Research Academy]