London is a big and old city. It's the capital (首都) of the UK. It's cool in summer. It's not cold in winter. But it often rains. Maybe you're wearing a dress in the morning, but you wears a sweater in the evening. Maybe it is sunny now, but one hour later it's snowy. So the people often talk about weather.

If (如果) you go to London, you can visit many places. Big Ben is very tall and famous. You can also see the Hyde Park. The Buckingham Palace is next to the park. The Queen lives there. The Queen is 96 years old. And she is working now!