Like in the desert, under the right weather conditions light rays can bend around the surface of the Earth. This effect, called is-blikk by the Norwegians, creates images of distant object that are high above the natural horizon. Theoretically a person could climb to the top of the highest peak in Iceland and catch a faint glimpse of Greenland.

Complete the next 4 numbers in this pattern.

, , ,

 

Eric the Red | beginning | Leif