在埃文克人的传说中,可以分出一组数量众多的宇宙内容的传说,这种传说被称之为乌勒古尔。在全世界各民族的口头文学中部有宇宙传说,它们通常被称作宇宙神话、宇宙传奇或宇宙故事。这种类型的口头文学作品所宣扬的是关于地球、天空和天体的起源,日夜的变换,海洋、湖泊、河流的出现,以及一年四季的更替等,与宇宙的创立有联系的通 In the legend of the Avengers, a large number of legends of cosmic content can be separated, which is called Uleger. There are cosmological legends in the middle of oral literature of all ethnic groups throughout the world, and they are often called cosmic myths, cosmic legends, or cosmic stories. This type of literary work is about the origins of the earth, the sky and the celestial bodies, the transformation from day to night, the emergence of the oceans, lakes and rivers, and the changing throughout the year, etc., which are connected with the founding of the universe