America’s next great 'Ninja Warrior?' Brooklyn Ninja Academy opens in Gowanus

America’s next great "Ninja Warrior" may be coming from Brooklyn as a new dedicated Ninja Warrior obstacle training facility opened in Gowanus on Monday. 
The Brooklyn Ninja Academy opened this week and offers a chance to learn from people who competed on "American Ninja Warrior."
News 12’s Dan Serafin shows us how they help pull off stunts you may have to see to believe.