We're heading to one of the world's most isolated and mysterious places – Easter Island! That's what a group of Dutch explorers called Rapa Nui when they came across the island on Easter Sunday in 1722. 

Rapa Nui is home to around a thousand large stone statues which have faces carved into them – called moai. People from outside the island have long wondered how its original inhabitants could have built these statues and what purpose they serve... 

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