CNN Don Lemon Tonight March 30, 2022 02:49:00
Began, one piece leaving nothing but the outline of where it once hung. >> we had 12 people working from early morning to late night. it was a very hard ten days. >> reporter: highly skilled museum staff moving the treasures to safety. >> there are different secure places, shelters around our city. unlike switzerland we don't have art shelters so we had to hide them various places. it is a very hard task to manage climate in these shelters but they're under the constant control of our preservation specialist. >> to give you an idea how enormous this undertaking is this is a picture of an icon ...