The picture has a pig. A pig is fat. A pig has four legs.

Dong Ho painting, or full name is Dong Ho folk wood carvings, is a line of Vietnamese folk paintings originating from Dong Ho village (Song Ho commune, Thuan Thanh district, Bac Ninh province). In the past, the paintings were sold mainly for the Lunar New Year, the rural people bought paintings on the wall, removed the last year, using new paintings. Dong Ho Folk Painting is a National Intangible Cultural Heritage. With the approval of the Prime Minister, the Ministry of Culture, Sports and Tourism coordinated with the People's Committee of Bac Ninh Province and professional agencies to conduct research and compile scientific dossiers for the painting industry. Dong Ho folk to submit to UNESCO for recognition of intangible cultural heritage.