1. How long did it take retired coal miner Chen Xinnian to dig a room 20 feet under his house?

2. How large is the room that Mr. Chen dug?

3. Why did Mr. Chen make this room under his house?

4. Where did Mr. Chen get the equipment he needed to build his room?

5. What benefits does the underground room provide to Mr. Chen and his family?

6. What two adjectives would you use to describe Mr. Chen? Explain your answer.