Is it the truth of Emperor Guangxu?

It's true. The photos of Emperor Guangxu as an adult are basically taken with cameras, which is different from the portraits of the Qing emperors. The photos of Qing emperors before Guangxu were all painted by court painters, but they were similar, just like those of Emperor Zhi. Only the photos of Emperor Guangxu and Emperor Xuan Tong were taken by photographers with cameras, so their photos are a portrayal of their true faces.