The clear_sky_atmosphere_hd_trailer.rar file you have requested: Clear Sky / Media / Videos / Clear Sky Atmosphere HD Trailer - 552.44mb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R.: Clear Sky and upload any files you want to share or are missing. This is the only information we could locate:
This is a higher resolution version of the Atmosphere trailer we posted several days ago. It is a 1280 x 720 resolution version.