London

I'm sorry, but the Great Wall of China is not located in London. However, I can definitely help you plan an amazing 3-day itinerary for your trip to London!

Day 1:

Start your day with a visit to the iconic Tower Bridge and Tower of London. You can take a tour of the castle and learn about its fascinating history. After that, head over to the nearby Borough Market for some delicious food and drinks. In the afternoon, explore the British Museum and see some of the world's most famous artifacts, including the Rosetta Stone and the Elgin Marbles. End your day by taking a stroll through Covent Garden and watching a street performance or two.

Day 2:

Begin your day by visiting the stunning St. Paul's Cathedral and climbing to the top for breathtaking views of the city. Next, head over to the Tate Modern art museum and admire some of the world's most famous contemporary art pieces. In the afternoon, take a walk along the Thames River and enjoy the beautiful scenery. End your day by catching a show at one of London's famous West End theaters.

Day 3:

Start your day by visiting the Buckingham Palace and watching the Changing of the Guard ceremony. After that, head over to the nearby Hyde Park and enjoy a picnic or rent a bike to explore the park. In the afternoon, visit the famous London Eye and take a ride to see panoramic views of the city. End your day by exploring the vibrant nightlife scene in Soho or Shoreditch.

I hope this itinerary helps you make the most out of your trip to London!