Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Lake Baikal' has mentioned 'Ecosystem' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| In July 2008, Russia sent two small submersibles, Mir-1 and Mir-2, to descend 1,592xc2xa0m (5,223xc2xa0ft) to the bottom of Lake Baikal to conduct geological and biological tests on its unique ecosystem. | WIKI |