Its world premiere on August 28 will be in 3-D, following the fest's opening ceremony.
Cuaron previously won the Golden Osella for Best Screenplay at Venice for 2001's "Y Tu Mama Tambien," which he co-wrote with his brother Carlos; his 2006 work "Children of Men" nabbed the Golden Osella for Best Cinematography (Emmanuel Lubezki). Lubezki again is the director of photography on "Gravity," while Cuaron and son Jonas penned the script.
Here's the official synopsis for the Warner Bros. film (the trailer is here):
Gravity is a heart-pounding thriller that pulls you into the infinite and unforgiving realm of deep space. In the film, Sandra Bullock plays Dr. Ryan Stone, a brilliant medical engineer on her first shuttle mission, with veteran astronaut Matt Kowalsky (George Clooney). But on a seemingly routine spacewalk, disaster strikes. The shuttle is destroyed, leaving Stone and Kowalsky completely alone – tethered to nothing but each other and spiraling out into the blackness. The deafening silence tells them they have lost any link to Earth… and any chance for rescue. As fear turns to panic, every gulp of air eats away at what little oxygen is left. But the only way home may be to go further out into the terrifying expanse of space.