2,Ha Long Bay has been recognized as a World Natural Heritage by Unesco. And it is also recognized as the most famous and beautiful natural heritage in Vietnam. It has many beautiful islands, especially Tuan Chau. Ha Long Bay has a vast and immense coastline. The sea is very beautiful. And there are deep caves. If there is a sea, there will certainly be boats: sailing ships, yatch,.....
1. We should
+Do more moninf exercise
+Sleep enough
+Play sports
+Eat healthy food
+have a good lifestyle
+Follow your parents' advices
We shouldn't
+Play too much games
+Stay up late
+Eat fast, junk food
+ Have a lover at a young age
These are some examples, you can add more
