. >>> helicopters are searching for sebastian booker, he's 33 years old. he went off trail at the cypress mountain ski resort in vancouver and got lost in this desolation. helicopters were searching for two and a half days. global bc news talked to a few rescuers. >> we had to do two 150-foot repels all in loose rock areas. the first team getting down was getting bombarded by falling rocks. >> this search went into the night. they had to bring in a larger helicopter, and that helicopter brought such a strong downforce, it's like standing in these snowy trees in hurricane conditions. >> there went any snow left on the trees when we left there. you can imagine the ice chunks and stuff that hazards your eyes. unbelievable. >> look at the helmet cam footage from one of the rescuers. if you notice, there was a quick shot of a waterfall in that video. that's where the rescuers repel down. >> he, i believe, is on the south side of the creek waving his arms. >> eventually they caught up with sebastian and rescued him. he's okay. this whole rescue operation around