Hidden layer discovered in famous Rembrandt painting solves decades-old mystery

When conservators used X-rays to peer below the varnish and paint of “The Night Watch,” they discovered something unexpected under its surface: a layer that was full of lead.

Hidden layer discovered in famous Rembrandt painting solves decades-old mystery
When conservators used X-rays to peer below the varnish and paint of “The Night Watch,” they discovered something unexpected under its surface: a layer that was full of lead.