<p>Piano, the Mexican production and distribution company behind Ruben Östlund’s Palme d’Or-winning “Triangle of Sadness,” has boarded Apichatpong Weerasethakul’s “Jengira’s Magnificent Dream,&#8221; producer Julio Chavezmontes has confirmed. Tilda Swinton is attached to the project. Just like Östlund’</p>