Son Doong Cave

Son Doong is a combination of 2 words:

• the ethnic minority and Thuong river origin

• the mountain and valley

• the ethnic minority and valley

• the cave and valley

Son Doong has TWICE been recognized by UNESCO as a World Natural Heritage Site.

• TRUE

• FALSE

Which of these are NOT mentioned as Son Doong location?

• Near Cambodia-Vietnam border

• Phong Nha-Ke Bang National Park

• Near the Laos-Vietnam border

• Quang Binh province

How does the peasant Ho Khanh coincidently discover Son Doong in jungle?

• Having a picnic

• Going fishing

• Searching the timber

• Visit relatives

The cave was initally discovered in 1990.

• TRUE

• FALSE

The Hope and Vision Passage is large enough for...

• Boeing 747

• Warship

• 40-storey skyscraper

• Blue Whale

The Son Doong cave PEARLS are .... formed and ...

• valueless - naturally

• artificially - valuable

• valuable - artificially

• naturally - valueless

The underground river is combined from the water of...

• Hang Ca Cave

• Hang Va and Nuoc Nut caves

• En and Khe Ry caves

• Luon Cave

Son Doong cave is believed to be ... million years old.

• 2-5

• 3-5

• 4-5

• 1-5

How does the discovery of Son Doong Cave impact nearby village?

• Being in business of tourism

• Relying on hunting

• Earning less income

• Realizing to conserve it