Discharge went through the "underground pipe", which may be at a depth of about 1 m even more. How, then, may seem a trace of lightning discharge, which continues after the contact with the surface directly straight down underground?
Utekelezaji akaenda kwa njia ya "bomba chini ya ardhi," Ni yupi wanaweza kuwa katika kina cha juu 1 m hata zaidi.