横向
1
Total number of people in an area
7
Long-term weather patterns of an area
8
Visual representation of an area
9
Chain or group of islands
纵向
2
Largest hot desert in the world
3
Narrow sea inlet between cliffs
4
Large body of water partly enclosed by land
5
Large natural elevation of earth
6
Largest river in South America
10
Cold treeless Arctic plain