There are many natural disasters in Vietnam , but one of the most serious natural disasters maybe flooding . Flood is the phenomenon of water in rivers and lakes flooding an area of ​​land. It occurs from the beginning of September to the end of December . Flood usually happens in the central of Vietnam , accounting for 60-65% . So what should we do to prevent this natural disaster ? It's very simple , we only need to follow the news on TV everyday to see what's the weather like tomorrow and know when will a natural disaster happen , we also need to plant more trees on empty hills , so that the ability of flooding will decrease . 

`Nhyy`