I long ago suggested the hypothesis, that in the basin of the Thames there are indications of a meeting in the Pleistocene period of a northern and southern fauna.
I am not afraid to appear in Israel, although when I come to a place like Israel, I know it's not a picnic by the Thames. I am aware of the tension and it saddens me.
If you go to London now, not everything is beautiful, but it's amazingly better than it was. And the Thames is certainly a lot better: There are fish in the Thames.