Marta Balaga Following 2017’s “Las Cinéphilas,” about retired women who go to the cinema every day, and this year’s “Le Temps Perdu,” which just had its world premiere in IDFA’s feature-length documentary competition, Argentinian director Maria Alvarez is already developing the third part of her trilogy focusing on elderly people.In “Close” (“Las Cercanas”), which will see her reunite with producer Tirso Diaz-Jares, she will focus on the Cavallini sisters: identical twins now in their nineties.