remove the existing wall mounted toilet completely do not keep or duplicate it replace it with a single old floor mounted toilet with a visible cistern there must be only one toilet in the scene do not generate multiple toilets keep the layout and camera angle the same remove the modern wall mounted toilet completely and replace it with a single old floor mounted toilet with a visible cistern ensure there is only one toilet in the image do not duplicate or keep any part of the previous toilet maintain a realistic slightly worn pre renovation look ensure only one toilet exists in the final image