On Sun, 31 Aug 2014 19:10:09 +0000 (UTC), "Danny D."
wrote:

I think the only ventilation is what these little openings provide.
https://c2.staticflickr.com/6/5574/1...ef7ef803_b.jpg

That looks like a bathroom ventilation fan to extract moisture from
the bathroom. It's mounted in the ceiling in the bathroom? Going out a
soffit vent...