The video explores Sabah in Malaysia, highlighting its rich rainforests and coral reefs. It delves into the mysterious turtle graveyard, a unique phenomenon where turtles are found dead in underwater caves. Despite their excellent navigation skills, the turtles cannot escape these caves, posing an unsolved mystery. The video questions why turtles, known for their long breath-holding and navigation abilities, end up in this cryptic location.

What natural feature in Sabah, Malaysia, is described as hiding a mysterious graveyard?

• A mountain range

• A coral reef system

• A desert

• A river delta

What is the depth mentioned for the journey into the heart of the island?

• 100 feet

• 60 feet

• 300 feet

• 200 feet

Who compared the turtle graveyard to a mythical elephant graveyard?

• Jacques Cousteau

• David Attenborough

• Sylvia Earle

• Steve Irwin

What is left in the sand that adds to the mystery of the turtle graveyard?

• Turtle shells

• Turtle eggs

• Turtle bones

• Turtle footprints

Where do female turtles typically lay their eggs?

• In forests

• In caves

• On beaches

• In the ocean

How long can turtles hold their breath underwater?

• Up to 3 hours

• Up to 5 hours

• Up to 9 hours

• Up to 7 hours

What remains a mystery about the turtles in the caves?

• Why they cannot find their way out

• Why they gather in groups

• Why they lay eggs in the caves

• Why they stop swimming