KEN KAMINESKY, EXPLORA:
"When I began photographing travel imagery, I did not have a clue on how to secure permission to photograph in restricted areas. This led to several minor run-ins with police and security guards. These experiences made me rethink my method—or rather, lack of method—of trying to photograph in these difficult-to-shoot locations."
This is incredibly enlightening and useful. Worth the time to read. Check it out, here.