An impressive video has emerged of a 94-year-old grandma who apparently practices kung-fu. <br /><br />The footage, captured in Ningbo, Zhejiang Province on Monday, shows 94-year-old Zhang Hexian showing off her martial arts skills. <br /><br />She's reportedly been studying different forms of kung-fu since she was four-years-old so she's got 90 years of experience.
