听下面一段独白，回答以下小题。
【小题1】Where are the Yungang Grottoes located?

A．Sichuan province

B．Hunan province

C．Near Datong

【小题2】What is unique about the Yungang Grottoes according to the speech?

A．Natural hot springs

B．Ancient Buddhist statues

C．Underground rivers

【小题3】What is the suggested age of the Yungang Grottoes?

A．Less than 500 years

B．Over 1,500 years

C．Exactly 1,000 years

【小题4】What does the speaker emphasize about the sculptures in the Yungang Grottoes?

A．Their small size

B．Their simplicity

C．Their lifelike expressions

【小题5】What emotion does the speaker suggest visitors might feel when exploring the Yungang Grottoes?

A．Awe

B．Boredom

C．Disinterest

【小题6】What aspect of ancient China do the Yungang Grottoes represent in the speech?

A．Modern technology

B．Rich cultural heritage

C．Recent innovations

【小题7】Describe the primary characteristics of the Yungang Grottoes mentioned in the speech.
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【小题8】How does the age of the Yungang Grottoes contribute to their significance?
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【小题9】What historical narrative does the Yungang Grottoes tell according to the speaker?
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【小题10】Explain the suggested emotional experience of visitors when exploring the Yungang Grottoes.
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