Actually, I didn't want to go there on that Saturday evening.
But I hadn't bought any souvenirs for Mrs Walter, remebered early enough that shops were closed on Sunday, close at 7PM in the evening and that special shop didn't open on Monday morning (my plane left noonish).
So I went there (early enough) and suddenly (= no time to get the flash out of the bag, and that tiny flash on the camera is useless in such situations), and suddenly ...