Limestone is durable and versatile, can be cut to any size or shape, and has an even colour that produces stunning results. Let it fade and develop a patina over time or apply an intensifier or enhancer to deepen the colour. Reseal every year for best results and always seek expert advice for the most effective way to clean and maintain your limestone patio. Read more at link below. https://www.houzz.co.uk/ideabooks/107442784/list/laying-a-new-patio-heres-why-limestone-could-be-a-great-option