10 Interesting Fact About The World of Underground Caves

Transcript:

Languages:

• Underground caves are one of the best habitats for spelunking investigations.
• There are more than 5,000 underground caves worldwide.
• Underground Cave can be found in almost all continents.
• The longest underground cave is the Deer Cave in China, which is more than 350,000 years old.
• Some underground caves have complex habitats and include different ecosystems.
• Some underground caves have a large layer of limestone that creates special conditions for native plants and animals.
• There is an underground cave that has many types of fossils.
• Underground caves can have different atmospheric pressures from outside, which can cause unique effects.
• There is an underground cave that has a very deep water pool.
• There is an underground cave that is believed to have been used since ancient times for rituals and healing.