15. September 2017 Great atmosphere at the "We Love Green" festival in Paris The XL2 Sound Level Meter was again at work at the "We Love Green" festival this year. More than 58,000 visitors came to Paris on 10th and 11th June for an environmentally-friendly music festival. A colorful line-up together with an outstanding location made the festival an exceptional musical experience. The event sound level monitoring was carried out with the XL2.