|
1
|
aircraft
|
Papua New Guinea
|
Aircraft are rare in Papua New Guinea, where traditional transportation methods are more prevalent.
|
18
|
|
2
|
aircraft
|
Europe
|
Aircraft are a popular means of long-distance travel for both business and leisure in Europe.
|
13
|
|
3
|
aircraft
|
United States
|
Commercial air travel is a popular and heavily regulated mode of transportation in the United States.
|
11
|
|
4
|
aircraft
|
Amazonian tribes
|
Amazonian tribes have limited exposure to airplanes and primarily use traditional transportation methods.
|
6
|
|
5
|
aircraft
|
Amazon Rainforest
|
Aircraft are rare and often associated with outside contact or extraordinary events in the Amazon Rainforest.
|
2
|