6 luxurious bathtubs that we love

There is evidence of bath tubs made of hardened pottery dating the ancient times, but modern ones have become popular starting with the 18th century, when bathing became more and more fashionable. One century later, porcelain enameled cast-iron bathtubs were invented and that process is still mostly the same to this day. So, here are 6 modern luxurious bathtubs that