Well in Portugal (thats is kind of hot) we use limestone or other kind of white stones: https://fotos.web.sapo.io/i/o90119e17/18254271_eGMbD.jpeg https://fotos.

Well in Portugal (thats is kind of hot) we use limestone or other kind of white stones: https://fotos.web.sapo.io/i/o90119e17/18254271_eGMbD.jpeg https://fotos.web.sapo.io/i/o90119e17/18254271_eGMbD.jpeg Not only is cooler, it looks much better than cement… It can be expensive as it uses a lot of hand labour.