Context: The Three Gorges Dam, the largest dam ever constructed, is being built on the Yangtze River in nearby Hubei province to control flooding in the Sichuan Basin, neighboring Yunnan province, and downstream. The plan is hailed by some as China's efforts to shift towards alternative energy sources and to further develop its industrial and commercial bases, but others have criticised it for its potentially harmful effects, such as massive resettlement of residents in the reservoir areas, loss of archeological sites, and ecological damages.

Question: What is the largest dam ever built in the world?
Answer: Three Gorges Dam

Question: On which river is the Three Gorges Dam built?
Answer: Yangtze River

Question: What is the purpose of the Three Gorges Dam?
Answer: to control flooding in the Sichuan Basin, neighboring Yunnan province, and downstream

Question: What are some reasons for the opposition of the Three Gorges Dam?
Answer: massive resettlement of residents in the reservoir areas, loss of archeological sites, and ecological damages.

Question: What is the second largest damn in China?
Answer: Unanswerable

Question: What is being built to control flooding in the Hubei province?
Answer: Unanswerable

Question: China improving its industrial base is a negative effect of what?
Answer: Unanswerable

Question: What is the largest ever built in commercial bases?
Answer: Unanswerable

Question: On which river are alternative energy sources built?
Answer: Unanswerable

Question: What is the purpose of the resettlement of residents?
Answer: Unanswerable

Question: What are some reasons for the opposition of the alternative energy sources?
Answer: Unanswerable

Question: What on the Yangtze River is being damaged?
Answer: Unanswerable