CANNES, France — The Cannes Film Festival is hallowed ground in cinema but understanding its unique landscape can be confounding. Jury president Greta Gerwig enters the opening ceremony of the 77th international film festival, Cannes, southern France, Tuesday, May 14, 2024. Bayona, Eva Green, and Pierfrancesco Favino upon arrival at the awards ceremony and the premiere of the film ‘The …