About loggia agree a cam could be needed, but with exception of M&H loggia that is 'inside' the house, any other loggia have showed anything? specially now that they must be a really hot and cozy place to be
The hall cam only helps when we are following the tenants (and the cams don't take 2739384729472389 seconds to open) to see where they went... But here part of the hall appear on some cams.. No problem with that for me.