You like street art? Do you like treasure hunts? Then the exhibition "La légendes cieux" with the French artist C215 is for you! It is indeed a real treasure hunt that the Musée de l'Air et de l'Espace and the street artist C215 are now setting up. From the RER station to the museum, they invite you to discover the greatest figures of aerial and space adventure. Step 1, get the map at the museum. Step 2, explore the city of Le Bourget and look for the thirty or so portraits that punctuate the crossing. Stencilled in the urban space, these large, brightly coloured portraits lead us to meet Maryse Bastié, Antoine de Saint-Exupéry, Neil Armstrong and Thomas Pesquet. Step 3, ending in apotheosis at the museum. Here are the last portraits, but also an opportunity to introduce ourselves to the world of these historical figures through the aircraft, rockets, posters, models and other objects on display in the museum. Behind the scenes of the exhibition are also unveiled: approach explained, steps followed by C215, material used. A fun, family-friendly way to discover the fascinating conquest of air and space. So get on board the RER, and get your maps!