Post History
Very indoors, shut up tight, and at a suitable time of day. If you live in a house (as opposed to a flat), and it has reasonably good insulation and tight-fitting windows, the high-pitched sound o...
Answer
Very indoors, shut up tight, and at a suitable time of day. If you live in a house (as opposed to a flat), and it has reasonably good insulation and tight-fitting windows, the high-pitched sound o...