Un filmulet interesant, postat pe un forum foarte interesant, se refera la comportamentul catenarei pe magistrala 800, pe timp de viscol, in zona Ciulnita.
http://www.youtube.com/watch?v=UK0D
F3_7c&feature=player_embedded
sursa: forumul www.skyscrapercity.com
http://www.skyscrapercity.com/showthread.php?t=626417&page=239
http://www.youtube.com/watch?v=UK0D

sursa: forumul www.skyscrapercity.com
http://www.skyscrapercity.com/showthread.php?t=626417&page=239