Pu Sae Ya Sae is an annual ceremony held in Mae Hia, just south of the city in the foothills of Doi Suthep-Pui, where a buffalo is sacrificed and eaten — raw — by a local who claims to be possessed by the spirit of a giant. The story behind this unusual tradition is that a long time ago, two giants by the name of Pu Sae and Ya Sae — grandfather Sae and grandmother Sae — roamed these hills