Travel
作者：Kyle sy Michael
1. Airplane
1.1. Ticket
1.2. Passport
1.3. Fee
1.3.1. Business
1.3.2. Economy
2. Culture
2.1. Country
2.2. People
2.3. Language
3. Adventure
3.1. Rural
3.1.1. Land
3.1.1.1. Forest
3.1.1.2. Mountain
3.1.2. Water
3.1.2.1. Beach
3.1.2.2. Lake
3.1.2.3. River
3.2. Urban
3.2.1. Zoo
3.2.2. Theatre
3.2.3. Theme Park
3.2.4. Club
3.2.5. Museum