Tigers are symbols of strength and power. They move like kings through the forests, and people are afraid to meet them. But actually, tigers are at people's mercy, and they are in danger of __________.  Without special care from people, most types of tigers will soon die out.

Humans and tigers have lived together on this planet for many centuries. Each has kept to its own area. They have lived near each other, but not with each other. Humans and tigers have known of each other, but they have not needed each other. The world has now changed, and humans rule all the areas of the whole world. They want all the good land for agriculture and industry, so the animals living there must make room for humans and continually move to some other place.