Limestone pavements are areas of exposed limestone that have been eroded into flat blocks and crevices. They are found primarily in parts of the UK, Ireland, and Europe. Limestone pavements were formed during the last ice age by water erosion. They support a unique biodiversity due to the rocky habitat providing shelter with little soil. However, limestone pavements face threats from activities like stone removal, grazing, and invasive species. Conservation efforts include limestone pavement orders that restrict disturbance and management of grazing and vegetation.