横向
1
Half of the Earth
5
Flat grassland in tropical regions
6
City that is seat of government
7
Large slow-moving mass of ice
8
Flat elevated area of land
9
Cold treeless Arctic plain
11
Long-term weather patterns of an area
纵向
2
Region surrounding the North Pole
3
Physical features of land
4
Total number of people in an area
10
Visual representation of an area
12
Piece of land jutting into the sea
