Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Jeju Volcanic Island and Lava Tubes' has mentioned 'Mountain' in the following places:
Occurrence Sentence Text Source
A central feature of Jeju is Hallasan, the tallest mountain in South Korea and a dormant volcano, which rises 1,950 meters above sea level.
1,565 vascular plant species have been recorded in the area thus far and is the highest number of plants in any mountain, 33 which are endemic to the island.
Unlike most other Korean mountain environments, Hallsan has a unique vertical distribution of plants in three different zones: the subtropic, temperate, and frigid zones.