In 1979, the caves were declared a World Heritage Site. A World Heritage Site is a place that
A does not allow any visitors to talk.
B has been built in the past 100 years.
C has great importance to all humans.
D does not need to follow local laws.
The correct answer is C: has great importance to all humans.
A World Heritage Site is recognized for its significant cultural, historical, scientific, or other form of importance, which is valued by humanity as a whole. This designation helps protect and preserve important sites for future generations. If you have more questions or need help with a different topic, feel free to ask!