One day Mike said to his friend, Tom," I’m going to take my car and drive to London." Tom said, "Driving to London is very difficult. You aren’t going to find your hotel. "But Mike wasn’t afraid of it. He drove to Calais, put his car on the shop, took it off at once, and drove to London. He stopped near the city and looked at his map. Then he drove into London, but he didn’t find his hotel. He drove round and round for an hour, and then he stopped and got out of his car. A taxi came, and Mike stopped it. "Take me to the Brussels Hotel," he said. But he didn’t get into the taxi, he got back into his car. The taxi man laughed, but then he drove to the Biussels Hotel and Mike followed him in his car. They reached the hotel in two minutes. Mike went to London by ______.