With his rich knowledge of Ta Oi culture, village elder Ra Pat Trinh (also known as Le Van Trinh) of Ka Vin hamlet, A Luoi 4 Commune, Hue City, has for many years devoted himself to preserving the cultural, architectural, and artistic values associated with the Roong house – the traditional communal house of the Ta Oi people. He is an outstanding example of preserving and passing on traditional culture in the A Luoi area.