12 Ways Art Museums Protect Their Masterpieces

(via Mental Floss) Each year, in America alone, millions of people visit art museums—bringing with them millions of opportunities to damage the masterpieces they’re there to see. Whether intentional or not, caused by humans, forces of nature, or simply the passage of time, there’s always the chance that history’s greatest masterpieces can be lost or damaged when put on view for all the world to see. Here is just a taste of the many ways art museums around the globe protect their priceless treasures.