Paul Lantz pouring water down blocked vent stake. If stack is blocked sewer gases can accummulate inside. Fortunately in an older building there is plenty of natural ventilation. Photo by Denise Metatawabin.
Paul Lantz pouring water down blocked vent stake. If stack is blocked sewer gases can accummulate inside. Fortunately in an older building there is plenty of natural ventilation. Photo by Denise Metatawabin.
Canon PowerShot S90 |
Original size: 3648x2736 |
Current: 800x600 |