transform a clay render of a french countryside bathroom into a photorealistic image retain the rustic charm and include the following details materials use natural stone tiles for the floor whitewashed or lime plastered walls and exposed wooden beams on the ceiling include subtle imperfections for an authentic aged look fixtures and fittings add a freestanding vintage style bathtub wrought iron or brass taps and a wooden vanity with a stone sink highlight traditional details like cross handle faucets and an antique mirror with a distressed frame lighting incorporate warm soft natural light streaming through a small window with wooden shutters complement this with ambient lighting from a vintage style wall sconce decor include subtle elements such as folded linen towels a small vase of lavender and a basket of toiletries for a cozy and welcoming feel environment emphasize textures and natural colors like earthy tones soft whites and muted greens creating a tranquil and inviting atmosphere ensure the render achieves photorealism with attention to material reflections shadows and the interplay of light with the environment