![Nik Wallenda calls sister's high-wire stunt after major accident 'almost impossible' - Good Morning America Nik Wallenda calls sister's high-wire stunt after major accident 'almost impossible' - Good Morning America](https://s.abcnews.com/images/GMA/highwire-stunt3-abc-ml-190620_hpEmbed_16x9_992.jpg)
Nik Wallenda calls sister's high-wire stunt after major accident 'almost impossible' - Good Morning America
Good Morning America - ABC EXCLUSIVE: "King of the Wire" Nik Wallenda speaks out and announces he and his sister will embark on a never-before-attempted high wire walk 25 stories above Times
![Nik Wallenda and sister Lijana to perform stunt 25 stories above Times Square - Good Morning America Nik Wallenda and sister Lijana to perform stunt 25 stories above Times Square - Good Morning America](https://s.abcnews.com/images/GMA/190623_gma_stunt4_hpMain_16x9_1600.jpg)
Nik Wallenda and sister Lijana to perform stunt 25 stories above Times Square - Good Morning America
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