1 open_area
2 forest
3 sea
4 inland_water
5 residential_suburban
6 urban_mean_urban
7 dense_urban
8 block_of_buildings
9 industrial_commercial
10 villages
11 open_in_urban
12 parks_in_urban
13 airport
14 wetland
15 grass
16 sparse_forest
17 bushes
18 high_buildings
19 dense_residential
20 urban_low
21 dense_urban_low
