Questa arista inviolata is a documentary about alpinism that takes place in Gasherbrum Ii. It was directed by Sebastián Álvaro in 2009 and produced by RTVE. It is a part of the series Al filo de lo imposible. It features Josu Bereziartua, Mikel Zabalza, Juan Vallejo, José Carlos Tamayo, Daniele Bernasconi, Michele Compagnoni and others.
NOTE: This section may contain affiliate links. Please, see disclosure on footer.