The 11-meter-tall horse is on a sand base near famous bronze lions and fountains, under Nelson's Column, making the area look like a movie set.

This attraction is on display after its appearance at The Odyssey world premiere.

The horse weighs about four tonnes and took six weeks to build with 45 people working on it. It took around 300 hours to finish and was moved to London at night.

The four-tonne horse is for the upcoming movie release of Christopher Nolan’s mythic action epic ‘The Odyssey’.

The horse was made in Cardiff and traveled over 450 miles to get to London.

The horse is made of steel, fibreglass, and other materials to look like the old wooden horse in Nolan's movie, which is based on Homer's story.

In the old story, Greek warriors hid inside a big wooden horse to sneak into the city of Troy, which led to the city's defeat.

With the horse, there's an exhibit with movie pictures and behind-the-scenes photos, and a passageway with flaming torches like in the movie.

The movie will be out this Friday, July 17.

The horse will then move to Westfield London, where it will be shown with the photo exhibit from July 16 to July 20.

It's free for the public to see.

The movie, The Odyssey, will be in UK cinemas on Friday, July 17, from Universal Pictures.

The movie was filmed in many places around the world using special IMAX cameras and is the first movie made entirely with IMAX cameras.

The movie follows Odysseus, King of Ithaca, as he travels home after the Trojan War, facing many challenges and creatures along the way.

Matt Damon plays Odysseus, and other actors in the movie include Tom Holland, Anne Hathaway, and Charlize Theron.