Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Ha Long Bay' has mentioned 'Bed' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| The sediment layers of intertidal zone, the upper sea bed with a plain surface conserving ancient rivers, systems of caves and its sediments, traces of ancient marine action forming distinctive notches, beaches and marine terraces, mangrove swamps are important evidence of geological events and processes taking place during Quaternary. | WIKI |