The Englishman was amazed and says: “I want a wall around England to keep those damned Scots and Welsh out.” Bang, there was a wall around England.
The Welshman says: “Tell me more about this wall.” The genie says: “It’s 200 feet high, 100 feet thick, it goes all around England, and nothing can get in or out.” The Welshman says: “Fill it with water