of our entrance, we see a dark substance. This is what's called bullet wipe. As that bullet travels down a barrel, because it doesn't have any more residue to wipe off. With the exit, we can see ...

A severely-damaged structure with bullet marks, on the roof of one of the entrances of the Golden Temple in Amritsar.(SAMEER SEHGAL/HT) However, the structure at the entrance to the Golden Temple ...