Tikehau - atolls are amazing

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Tikehau is the first true atoll I've visited - and that an atoll exists at all still amazes me. Atolls all used to have volcanic islands in the center of them - corals form a reef around the volcano, with a lagoon between the reef and main island (this was the stage that each of the previous islands I've visited is at). For an atoll, after a realllllly long time, the volcano erodes and sinks into ... Read Full Entry

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