According to the Reuters newswire (see below), a number of Japanese tourists need psychological treatment following trips to the French capital. They expect to find a picturebook city of romance and passion and go into a state of shock when they get an 'Eiffel' of the reality.
Shrinks have dubbed the condition "Paris Syndrome".
Things got so bad for one bloke that he thought he was Louis XIV. Which begs the question: could the real Louis XIV actually have been a Japanese tourist who somehow just found himself in the right palace at the right time?