Shh... the artifacts are resting. Materials become fragile over the years – for example, paints fade and fibers weaken with prolonged exposure to light. Museum galleries are designed to be gentle on the artifacts. They are not too hot or moist, and the lighting is not too harsh. Still, they are far from perfect, so from time to time, most museum artifacts are “rested”: they are placed in storage, where it is dark and the climate can be kept consistent.
read on at cambridgeconsidered.blogspot.com/2011/05/shh-artifacts-are-resting-and-five.html
or, on a mobile device, cambridgeconsidered.blogspot.com/views/mosiac