The visit of the Louvre-Lens starts outside. Catherine Mosbach took her inspiration from 16th century parks, imagined by Le Nôtre, to create the museum’s close contours. Note the big pool which reflects the museum, and the copse, ideal for a stroll. The landscape architect had a blank page...of 20 hectares. She filled it with 6,000 trees, 26,000 bushes and almost 7,000 perennials. At the western end of the park, a forest of silver birches, oaks, and elders enhance the area. The landscape changes with the seasons at the Louvre-Lens. The cherry trees and rose bushes are the best barometers.