Then ceremonies describe a journey in which the Then Master (male or female) controls ghost soldiers traveling from the earthly realm to the heavenly realm to offer items of worship and to present prayers for peace, treating illnesses, ensuring good crops, wishing for a happy new year, and more. In the photo: Performance of Then singing, Tinh gourd lute performance of the Tay ethnic group in Na Hang district, Tuyen Quang province. (Photo: VNA)