Travel

1. Barriers

1.1. Expense

1.1.1. Transportation

1.1.2. Accomodation

1.2. Time

1.2.1. schedule

1.2.2. conflicts

1.3. Culture

1.3.1. people

1.3.2. language

2. Avenue

2.1. Airlines

2.1.1. Qatar Arways

2.1.2. Air Asia

2.2. Air Mode

2.2.1. chopper

2.2.2. airplane

2.3. Land Mode

2.3.1. car

2.3.2. hoverboard

2.4. Water Mode

2.4.1. cruise

2.4.2. submarine

3. Attractions

3.1. Continents

3.1.1. Europe

3.1.2. Antartica

3.1.3. North America

3.1.4. South America

3.1.5. Asia

3.1.6. Africa

3.1.7. Australia

3.2. Nature

3.2.1. beach

3.2.2. mountain

3.2.3. volcano

3.3. Landmarks

3.3.1. amusement parks

3.3.2. museums

4. Activities

4.1. Fun

4.1.1. kayak

4.1.2. hiking

4.2. Thrilling

4.2.1. skydiving

4.2.2. food trips

4.3. Memorable

4.3.1. take documentation

4.3.2. make scrapbook/ journal diary

5. Reasons

5.1. Leisure

5.1.1. Vacation

5.1.2. sightseeing

5.2. Purposeful

5.2.1. business

5.2.2. visit family

5.3. Others

5.3.1. Pokemon Go

5.3.2. Bucket List

6. Necessities

6.1. passport

6.2. visa

6.3. money

6.4. luggage

6.5. clothes