The two children, picked up by some policeman and placed in the refuge, or stolen by some mountebank, or having simply strayed off in that immense Chinese puzzle of a Paris, did not return.
Tangram, an ancient Chinese puzzle, are said to have a history that goes back many thousands of years.
So now Rosneft sells 30-40% of its oil through a Dutch-registered trading firm, Gunvor, whose ownership structure looks like a Chinese puzzle.