Over the Course of the Pandemic, Bugs Have Invaded the World’s Museums

> museums, including the J. Paul Getty, have instituted a very particular cleaning routine that relies more heavily on anoxic treatments than they do on harsh chemicals, which could potentially damage the art.

I assumed they'd use CO2, but it's apparently mostly nitrogen:

Nitrogen Anoxia Research (1987-1999) - https://www.getty.edu/conservation/our_projects/science/anox...

The Use of Oxygen Free Environments in the Control of Museum Insect Pests - https://www.getty.edu/conservation/publications_resources/pd...