Bí ẩn đảo Phục Sinh: ai dựng những tượng Moai khổng lồ? — The Mystery of Easter Island | Who Built the Giant Moai Statues? In the middle of the Pacific Ocean lies a tiny island filled with hundreds of giant stone statues.

The Mystery of Easter Island | Who Built the Giant Moai Statues?
In the middle of the Pacific Ocean lies a tiny island filled with hundreds of giant stone statues. But here's the mystery... Who built them, and how were they moved without modern technology?