broken boulder at moeraki, new zealand, with water inside.

art asphalt beach bedrock blue boulder boulders broken calcite calm carving clay coast coastal coastline concretion concretions crack creating dolomite erosion famous form fountain geology holiday horizon inside iron island kaihinaki koekohe landmark landscape moeraki monument morning mud mudstone natural nature ocean open opportunities pond pools quartz reflection rock sand scene scenic sculpture sea seascape septarian silt sky soil south spherical split stone sunrise sunset time tourism travel unique vacation view wall water waves zealand zealand's