What is the topography of Ha Long Bay?
12 view
1 answer
Environment
What items are transported on the ocean?
16 view
1 answer
What transportation has the most emissions?
16 view
1 answer
What is a fun fact about Ha Long Bay?
54 view
1 answer
Which is the sustainable city of the world?
17 view
1 answer
Why is sustainability important for countries?
12 view
1 answer
What is environmentally sustainable transport?
13 view
1 answer
Is a ferry more environmentally friendly than a plane?
20 view
1 answer
Which are the top 10 cleanest city in the world?
17 view
1 answer
What are 3 main negative impacts of tourism?
33 view
1 answer