Why is Easter Island isolated?

Walking along the statue strewn slopes of Easter Island's extinct volcano Rano Raraku is a magical, almost spiritual experience. Essentially the main quarry and workshop for the island's famed statues, it is here the volcanic rock was carved into life by the Polynesian islanders. What remains today is an empty studio of enigmatic statues in various states of progress, almost as if someone blew the quitting time whistle and none of the workers ever returned to complete their sculptures. So the statues were left alone. and never got finished