The festival began with a ritual worshipping the guardian deity at the local communal house. A palanquin procession took offerings from the communal house to the Au Co Temple to pray for peace, good weather, prosperity and happiness.

The Au Co Temple festival marked the start of festive activities in Phu Tho in spring.

The temple was built under the reign of King Le Thanh Tong (15th century) and named a national historical and cultural relic site in 1991. 

On January 23, 2017, the Ministry of Culture, Sports and Tourism recognised the worship of Mother Au Co at the temple as part of the national intangible cultural heritage.

VNA