Відповідь:
B)
Big Pit was once a coal mine but now it's a museum.If you take the underground tour, you will go 90 metres underground with a helmet on and carrying a lamp weighing about 5 kilos. If you visit Dan-yr-Ogof showcaves, you'll see the Cathedral Cave, Bone Cave and the Dinosaur park, which is one of the largest in the world with a hundred life-size dinosaur models. In the Bone Cave you'll see human bones which date back to the Bronze Age.
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