60. Entrance to The Source
Category – Science & Geography
Trouble went inside a mountain in Everest is Hollow and the story designers were reluctant to have him enter a cave again in Sign of the Rat. Halong Bay, though, is home to some fantastic caves. So it was logical to put The Source underground. You’ll understand why we couldn’t resist when you see photos of Halong Bay caves on this Vietnamese company’s website –
Click here to see the photos.
Vietnam is also home to the world’s largest cavern, determined by the type of laser tape measure that Dr. Cam hands RJ in the story. Recently discovered, this enormous grotto is flooded by underground rivers. This is similar to a lake surrounding The Source in Sign of the Rat.
Click here to read a National Geographic article on the cavern - with photos.
Questions –
· What is the technical term for the formation and development of caves?
· Do you know the different ways caves are formed?
Assignment – Find the answers in this Wikipedia article on caves –
Click here to research the answer.
Questions –
· Where is the world’s longest cave located? It has over 367 miles of known passages.
Like Halong Bay, the cave is a UNESCO World Heritage Site.
· What endangered species makes its home in this cave? Hint: It’s not a bat. You’ll find the answer at the bottom of the Limestone Labyrinth section.
Assignment – Find the answers in this Wikipedia article –
Click here to research the answer.
Questions –
· In what country is the “Amazing Crystal Cave?”
· What mineral forms giant crystals in this underground grotto?
· Which factors combine to make the cave perfect for crystals and deadly to people – heat, insects, toxins or humidity?
Assignment – Learn the answers by watching this National Geographic video –
Click below to get a better look at the crystals in a documentary by the BBC.
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