Dark and Bright Cave

Dark and Bright (also known as Day and Night) grotto is not only known for the stunning limestone structure at every turn but also for the interesting natural habitat. On the cliff one still find traces of fossils of fresh-water snails, which prove that the cave was inhabited thousands of years ago. Monkeys run to and fro in groups, benjamin fig trees shade the landscape and many orchids hang their sweet-scented flowers. 

Not many attractions are blessed with such a stunning beauty and diverse ecosystem as Ha Long Bay, and the Day and Night Grotto rightfully deserves as a an inevitable part of the Heritage stie.
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