Aerialist Erendira Wallenda, 36, performed acrobatics on the Niagara Falls on 15th Jun 2017. She performed it while hanging from a helicopter which was 300 feet above the falls and briefly hung twice by her teeth in between hanging upside down by her toes for a few seconds. She was tethered with a loop suspended from the helicopter. People on both sides of US and Canada borders turned their necks to catch a glimpse of this. Erendira said “it was beautiful and amazing” after landing on the ground. People have…