Convert to Mosaic Style Photo

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. 将此图像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，特别是面部特征和轮廓。使用小而高密度的多边形，以保持清晰度和身份，同时创造水晶般、多面体的外观。保留原始调色板，以实现和谐自然的美学。避免更改或添加新元素。