In the Louvre in Paris, France, the LED energy-saving lamp lighting ceremony was held. People counted down to zero. The glass pyramid of the Louvre museum took the lead in lighting, which was particularly mysterious in the night. It is understood that the xenon exterior lighting system used by the Louvre will be replaced every three years. In order to promote environmental protection, the Louvre and Toshiba have been cooperating to develop more energy-saving lighting methods since 2010, it was finally decided to use LED energy-saving lamps. At present, the lighting system renovation project of the Louvre glass pyramid and other facilities has been completed. The lighting system renovation of Napoleon's atrium and Square atrium will be completed in the next two years. According to reports, after the transformation of the lighting system, the annual electricity consumption of the Louvre exterior lighting will be 39. 20 thousand degrees to 10. 50 thousand degrees, with a reduction of 73, and the LED lighting system can last for 20 years. The Louvre was built at the end of the 12th century and was originally a castle for defense. In the 14th century, French King Charles V began to use the Louvre as a residence. After the expansion and improvement of several generations of kings, the Louvre became a representative building of French classical style. In 1793, the Louvre was officially opened to the public as a museum, and now it has a collection of nearly 400 thousand artworks. The replacement was completed by EventforENICompany, a Paris lighting company.