But shortly after the photo was published, some royal observers online began raising questions about whether the picture had been changed in some ways with image editing tools.

但照片发表后不久，一些王室观察员在网上开始质疑，是否用图像编辑工具对照片进行了某些修改。

One quick note: if you want to see the pixels in any picture, just open it in an image editing program like paint or 3D paint in this case, and zoom in.

简短说明一下：如果您想查看任何图片中的像素，只需在图像编辑程序（如 paint 或 3D paint 等）中打开它，然后放大。