My father, so thin and athletic, looked almost frail with shock, while my mother, whose beauty was still remarkable, and who was known on the reservation for her silence and reserve, had left off her characteristic gravity.

NEWYORKER: The Reptile Garden

It is simple - the only characteristic of the spaces we use is that they are public, and have been left, that's to say "loosely" abandoned.

CNN: Bone people: The explorers of the Parisian catacombs