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Burren limestone

The Burren is an amazing place. It is a karst limestone region of approximately 300 sq km which lies in the north west corner of Co Clare, in Ireland. It is composed of limestone pavements, which are eroded in a distinctive pattern known as karren. This pavement is crisscrossed by cracks known as grykes and underneath the pavement there are huge caves and rivers that suddenly flood when it rains.

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Taken on July 23, 2010