"Look here, old chap, what are you doing?" the officer asked.
"I'm sorry," the American replied, "but I really gotta take a leak."
"You can't do that here," the officer told him. "Look, follow me."
The police officer led him to a beautiful garden with lots of grass, pretty flowers and manicured hedges. "Here," said the policeman, "whiz away."
The American tourist shrugged, turned, unzipped, and started going on the flowers. "Ahhh," he said in relief. Addressing the officer, he said, "This is very nice of you. Is this British courtesy?"
"No," replied the policeman. "It's the French Embassy…"