ma trơi: the blue graveyard lights are real, the explanation is the creepy part

ma trơi. the wandering fire. our will-o'-the-wisp. you see them over old graveyards and marshes at night, little pale bluish flames that drift, and if you walk toward them they seem to move away or follow you. old folks say it's the souls of the dead, the restless ones, lighting their own way as the……