Oper­a­tion Night Watch begins today. Not your aver­age restora­tion:

”Imag­ing tech­niques, includ­ing macro-XRF and RIS, will help deter­mine its cur­rent con­di­tion, and macro X‑ray flu­o­res­cence scans will ana­lyze the chem­i­cal make-up of the paint lit­er­al­ly mil­lime­ter by mil­lime­ter.”