(卢浮宫博物馆) where it is housed."The thin,wooden panel on which the Mona Lisa is painted in oil has changed shape since experts checked it two years ago."the museum said.Visitors have noticed the changes but repairing the world's most famous painting is not easy.Experts are not sure ...
(e.g., outdoor promotions), a promotion price preference 718 (e.g., below $100), biographical information on the user 720 (e.g., occupation, location), a preferred merchant 722 (e.g., Starbucks for coffee), a preferred product or service 724 (e.g., olive oil rather than soybean...