The mysterious disappearance of a group of American documentary in the Urals which , as you may know , followed the steps of issuing Igor Dyatlov , whose nine members were killed in mysterious circumstances in 1959 .
Estatubatuar dokumentalista talde bat misteriotsuki desagertu da Ural Mendietan, Igor Dyatloven espedizioaren arrastoan. Espedizio hartako 9 kideak modu arraroan hil ziren 1959an.