This image shows the exhibition sign for "The Free Thai Movement in Sakon Nakhon". It recounts the crucial role of the local people and the Phu Phan mountain range as a stronghold during World War II. The content celebrates the heroism of Professor Dr. Pridi Banomyong and Mr. Tiang Sirikhan, leaders of the Free Thai movement in the northeast who together fought to restore Thailand's independence and prevent it from becoming a defeated nation in the war.