What are the rainy months in Sapa?
19 view
1 answer
Environment
What is the greenest form of transportation?
19 view
1 answer
What are the seasons in the Mekong River?
20 view
1 answer
Who has the worst air in the world?
14 view
1 answer
How bad is the air pollution in Ho Chi Minh City?
51 view
1 answer
What type of transport causes the most pollution?
15 view
1 answer
What are the three main impacts of tourism?
31 view
1 answer
Why is Halong Bay so beautiful?
50 view
1 answer
What are the 5 impacts of tourism?
33 view
1 answer
What is the aesthetic value of Ha Long Bay?
14 view
1 answer