3D model a small, aged altair stone ancient. Rough limestone walls with cracks, chips, light grey tones, and moss hints. Dark grey slate roof tiles, irregularly layered with moss patches. Wooden details in collunm , visible grain. Gothic pointed arch windows, steep pitched roof, square tower with octagonal spire topped by a cross. With weathered textures, fine details, accurate proportions. 4k Realism and symmetry for precise architectural modeling #ChristmasAdventure#,