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?
Naglalabas nagpunta sa pamamagitan ng "underground pipe," Aling ay maaaring sa lalim ng tungkol sa 1 m ng mas maraming. Paano, pagkatapos, ay maaaring mukhang isang trace ng naglalabas ng kidlat, Aling Magpapatuloy matapos ang contact na may sa ibabaw mismo tuwid down na underground?