Edition and digital compositing of the main video presented at Catalonia Pavilion in Expo Zaragoza World Exhibition 2008. Audiovisual directed by Rosa Vergés, a well renowned Catalan film director. The work tries to be an allegory of water being treated from its different states, uses and locations (mainly different natural enviroments and landscapes in Catalonia). The production was shot in a High Definition format (1920×1080 pixels). However, its final format had a 4K resolution (4096 pixels). So HD footage had to be composed as it was a 4K one by means of masking and cloning. Large format projection of 14 x 2,5m. with a 4 sources Watch Out system.