Ecosphere. The Arctic theme can offer courses in the nature of ecological circle, popularize the species unique to the Arctic, as well as living habits and living environment, and get to know the Arctic Circle in advance. The North Pole refers to the northern end of the earth's rotation axis, that is, the point at 90 north latitude, and the Arctic region refers to the area near the North Pole in the Arctic Circle at 66 34' north latitude.