Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Ha Long Bay' has mentioned 'Cretaceous' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| 67,000,000 BC end of the Cretaceous Period Hxe1xbaxa1 Long Bay existed in the environment of a high mountainous mainland due to the influence of strong mountain-forming phases. | WIKI |