(Javi Aznarez / For The Times) Although quite a few movies have taken place against the whirl of the Cannes Film Festival, only a handful have been shot within sanctioned festival spaces — often because of artistic, logistical and financial constraints. Most films have instead relied on resourceful camerawork, creative license and shrewd editing to bring an authentic, you-are-there quality to footage lensed mainly in and around Cannes, including iconic festival exteriors and the attendant bustle.