We have a shed in our back yard where we park our bikes. There's always been a lingering smell of crap despite the fact that the floor of the shed is clean.
Turns out, it's not the floor where I should have been looking. Someone's been flinging dog crap up there. Given that this bounds on two of our neighbour's properties, I'm looking outside the current set of residents in our building, who have no dogs regardless.
Many of the truths we cling to depend greatly on our own point of view.
—Obi Wan Kenobi