They are high-tech double exposure photographs.

这些高科技照片。

Despite its many limitations, the double exposure mattes were used for many years, until something a little more familiar to us arrived on the scene.

尽管遮罩有很多局限性， 但它还被使用了很多年，直到某种对我们来更熟悉的技术出现。

While many experts have tried to determine whether or not this is double exposure, most speculation has concluded that it resembles a 16th century monk with a white shroud over his face, possibly to mask leprosy or another disfigurement.

虽然许多专家试图确定这否， 但大多数猜测得出的结论，它类似于 16 世纪的僧侣， 脸上戴着白色裹尸布， 可能为了掩盖麻风病或其他毁容。