1.
A place left empty and not used anymore (bị bỏ hoang)
2.
Old broken buildings from a long time ago (tàn tích)
3.
The number of people living in one place (dân số)
4.
To fall down suddenly (sụp đổ)
5.
To make a picture in your mind (tưởng tượng)
6.
To not have enough of something (thiếu)
7.
A person who studies old things from the past (nhà khảo cổ học)
8.
A person or group that enters a place to take it by force (kẻ xâm lược)
9.
A long time with no rain (hạn hán)
10.
A large amount of snow falling down a mountain (tuyết lở)
11.
A lot of water covering land that is usually dry (lũ lụt)
12.
A very strong snowstorm with cold wind (bão tuyết)
13.
A very large ocean wave caused by an earthquake (sóng thần)
14.
A very strong storm with heavy rain and wind (bão lớn)
15.
A sudden shaking of the ground (động đất)
