Low-poly mosaic style

Transform this image into a refined low-poly mosaic style. Preserve the original structure and recognizable details, especially facial features and contours. Use small, high-density polygons to maintain clarity and identity while creating a crystalline, faceted look. Keep the original color palette for a harmonious and natural aesthetic. Avoid altering or adding new elements.

将这张图片转换为精致的低多边形马赛克风格。保留原始结构和可识别的细节，尤其是面部特征和轮廓。使用小而密集的多边形，在保持清晰度和辨识度的同时，营造出水晶般的多面效果。保留原始色调，以获得和谐自然的美感。避免修改或添加新元素。