coronavirus pandemic keeps visitors away, the Louvre is offering time close-up with the "Mona Lisa" and a walk along the French museum's historic rooftop at an auction to help plug a gaping hole in its finances.The highest bidder will get the chance to witness the annual examination of Leonardo da Vinci's masterpiece, usually only glimpsed over the heads of a crowd thronging the portrait.Also among the two dozen lots going under the hammer is an oil canvas painted in 1962 by Pierre Soulages and held in the artist's private collection, a bespoke timepiece by watch-maker Vacheron Constantin, and a walk along the rooftop of the 800-year-old Louvre palace with French street artist JR."The Louvre is suffering like all big museums around the.