横向
1
Visual representation of an area
3
Deep narrow valley with steep sides
4
Low area between mountains
5
Total number of people in an area
10
Area where water covers the soil
11
Body of water surrounded by land
12
Long-term weather patterns of an area
纵向
2
Where river meets the sea
6
Large natural elevation of earth
7
Cold treeless Arctic plain
8
Vast body of salt water
9
Mountain that can erupt with lava
13
Large area covered with trees