There’s some dirty buggers where I work. At times. a gas mask would be a desirable safety appliance to don when entering the loo. So I can empathise with the 53 passengers that were overcome with noxious fumes on visiting the loos at a Berlin airport.
The stink was so bad firefighters called to investigate became ill themselves
The toxic odour was eventually traced NOT to someone’s smelly arse but to . . . http://tinyurl.com/8eebka8