In the wild- flower garden.
A black Labrador guide dog, lying flat on the floor of the dentist's waiting room, is so black that it is almost invisible. It looks like a shadow in three dimensions.
In the Oxfam bookshop in Sevenoaks. The assistant says when she can't find a price on the book I want: "We don't just put any price on it. Sometimes they are old and they're not worth anything."