We arrived at Heathrow International Airport of London at 6pm local time on Jun 30^th after over 12 hours’ flight. There were so many visitors that we had to queue in a long line when we went through UK Border. It almost took us an hour and a half to come out from it. We bought two Oyster cards in a small shop, with which we can buy cheaper traffic tickets in London. We took underground Piccadilly Line to Earls Court from airport, where we booked our hotel online in advance. It was very easy to find our hotel according to traffic guide sent to us by hotel. It was just 9:30pm local time when we got my room key. The room is a little small but it looks comfortable. We were so tired after a long flight that we had a shower and then got to sleep.