About this video
In this episode, National Geographic explores hidden history beneath the ocean with advanced technology, uncovering secrets from ancient civilizations and dinosaurs.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What did Dr. Kenneth Lacovara find in Patagonia?
Answer: A large dinosaur femur.
Q2 Which civilization's caves are explored for understanding their history?
Answer: Mayan caves.
Q3 How long was the discovered dinosaur femur?
Answer: 2.2 meters.
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