4

Salt lake

Level 4

7

Lake

Level 3

7

National Park

Level 2

2

Delta

Level 2

2

Waterfall

Level 1

2

Island

Level 1

2

Ridge

Level 1

2

Volcano

Level 1

1

Glacier

Level 1

1

Forest reserve

Level 1

1

Wildlife reserve

Level 1

1

Salt area

Level 1

1

Ancient wall

Level 1

1

Crater

Level 1

1

Desert

Level 1

1

Plateau

Level 1

1

Rock

Level 1