Moraki boulders, many photographers have seen before, many people put on various shapes here, it is very interesting, we are still a little rushed to Omaru to see blue-eyed penguins, hurried to visit this scientific explanation is that these boulders are calcite condensate, formed 65 million years ago. Calcium and carbonate around charged particles crystallize slowly and form boulders, which take four million years to form, such as pearls. Soft mudstone with boulders rose from the sea floor about 15 million years ago. Waves, winds and rains dug them out one by one.