Nat lived in a small town in England. He always spent his holidays there, but last year he thought, "I've never been abroad. All my friends go to Spain and love it, so this year I'm going too."
First, he went to Madrid and stayed in a small hotel for a few days. On his first morning, he went out for a walk. In England, people drive on the left, but in Spain they drive on the right. Nat forgot this, and while crossing a busy street, a bicycle knocked him down.
He lay on the ground for a few seconds, then sat up and said, "Where am I?" An old man selling maps at the side of the street immediately came over and asked, "Map of the city, sir?"