The big_360.zip file you have requested: Maps Levels Missions / Tracks / Fast Tech / Big 360 (TMN) - 6.91kb is not available. Perhaps try browsing all files for the game TrackMania Nations Forever and upload any files you want to share or are missing. This is the only information we could locate:
For more information on TrackMania Nations, visit Trackmania.filefront.com Big_360 is a fast, oval shaped map that hopefully will not get you too dizzy. The author did not concentrate on the complexity or the difficulty when making this map, but instead, he wanted to make it realistic.