If that's the case they would have to be coming in from inside the toilet and it's highly unlikely because the lid is always closed when the toilet isn't in use...
@ExTra started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
If that's the case they would have to be coming in from inside the toilet and it's highly unlikely because the lid is always closed when the toilet isn't in use...