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Gianni Crea, the Vatican Museums chief "clavigero" (key keeper), walks down a hallway on his way to open the museum's rooms and sections, at the Vatican, Monday, Feb. 1, 2021. The job begins each morning at 5 a.m., opening the doors and turning on the lights through 7 kilometers (4.3 miles) of one of the world's greatest collections of art and antiquities. (AP Photo/Andrew Medichini)