Pinnacles Desert,Western Australia:

The Pinnacles are limestone formations contained within Nambung National Park, near the town of Cervantes, Western Australia.Located not far from the coast of southwest Australia are thousands of limestone pillars that rise from the shifting yellow sands. In places they reach up to three and a half meters tall. Some are jagged, sharp-edged columns, rising to a point, while others resemble tombstones. This is the Pinnacles Desert, a part of the Nambung National Park, roughly 200 kilometres north of Perth. These amazing natural limestone structures were formed approximately 25,000 to 30,000 years ago, after the sea receded and left deposits of sea shells. Over time, coastal winds removed the surrounding sand, leaving the pillars exposed to the elements.Although the formation of the Pinnacles would have taken many thousands of years, they were probably only exposed in quite recent times. Aboriginal artifacts at least 6,000 years old have been found in the Pinnacles Desert despite no recent evidence of Aboriginal occupation. This tends to suggest that the Pinnacles were exposed about 6,000 years ago and then covered up by shifting sands, before being exposed again in the last few hundred years. This process can be seen in action today - with the predominantly southerly winds uncovering pinnacles in the northern part of the Pinnacles Desert but covering those in the south. Over time, the limestone spires will no doubt be covered again by other sand drifts and the cycle repeated, creating weird and wonderful shapes over and over again

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