Meteora

Meteora is a 2012 Greek drama film directed by Spiros Stathoulopoulos. It competed at the 62nd Berlin International Film Festival in February 2012. The film takes its title from the Byzantine monastery complex Metéora, in Thessaly, a series of structures built on natural sandstone pillars whose tops often disappear into the clouds.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.