Lijana Wallenda and Nik Wallenda walk a high wire over Times Square during the Highwire Live In Times Square With Nik Wallenda on June 23, 2019, in New York City. (Eugene Gologursky/Getty Images for Dick Clark Productions)
Lijana Wallenda and Nik Wallenda walk a high wire over Times Square during the Highwire Live In Times Square With Nik Wallenda on June 23, 2019, in New York City. (Eugene Gologursky/Getty Images for Dick Clark Productions)
Lijana Wallenda and Nik Wallenda walk a high wire over Times Square during the Highwire Live In Times Square With Nik Wallenda on June 23, 2019, in New York City. (Eugene Gologursky/Getty Images for Dick Clark Productions)
Aerialist Nik Wallenda walks on a high wire above Times Square, Sunday, June 23, 2019, in New York. (AP Photo/Jason Szenes)
Aerialists Nik Wallenda, top, steps over his sister, Lijana, bottom, as they walk on a high wire above Times Square, Sunday, June 23, 2019, in New York. (AP Photo/Jason Szenes)
Aerialists Nik Wallenda, right and his sister, Lijana, left walk on a high wire above Times Square, Sunday, June 23, 2019, in New York. (AP Photo/Jason Szenes)
Aerialists Nik Wallenda, right and his sister, Lijana, left walk on a high wire above Times Square, Sunday, June 23, 2019, in New York. (AP Photo/Jason Szenes)
Aerialists Lijana Wallenda walks on a high wire above Times Square, Sunday, June 23, 2019, in New York. (AP Photo/Jason Szenes)
Aerialists Nik Wallenda, top, steps over his sister, Lijana, bottom, as they walk on a high wire above Times Square, Sunday, June 23, 2019, in New York. (AP Photo/Jason Szenes)