Subscribe | UPI Odd Newsletter Subscribe June 12 (UPI) -- A young taekwondo master was recorded performing an unusual stunt -- using a front-flip technique to break 90 concrete slabs with his head in 25 seconds. The video, filmed Saturday in Bosnia, shows Kerim Ahmedspahic using a series of front-flips to break multiple stacks of concrete blocks laid out in two lines. Advertisement Ahmedspahic, 16, destroyed a total 90 concrete slabs in the 25-second time limit. The filmer said the feat has been submitted to Guinness World Records. Read More Kung fu master uses genitals to pull bus down street Martial artist uses head to crush record 35 coconuts Martial artist crushes world record 77 drink cans with his elbow Kung Fu students dangle heavy wooden boxes from genitals
