Glow In The Dark Paint inside Hospital Bunker From World War 2

this Hospital Bunker have after 75 years it still has Glow Paint on the wall, so you can see in the dark if there is a power outage power failure.

this bunker is from second world war of type Regelbau 639, it's a Large dressing station (Medical) also known as big Hospital Bunker,
it's German standard design for Sanitary Bunkers.

luminous painting still glows in the dark - after so many years a somewhat eerie sight.