Transcript:
450 metres above a gorge near the Grand Canyon.
With no safety harness, American acrobat Nik Wallenda walks the tightrope.
Wind made the cable sway during the 22 nail-biting minutes it took him to cross.
But towards the end he felt confident enough to kneel and blow a kiss to fans waiting on the other side.
Vocabulary:
gorge n. 峡谷
safety harness 安全带;安全吊带
walks the tightrope 走钢索
nail-biting n. 束手无策;咬指甲癖
blow a kiss 飞吻