Yes it is, Mount Everest is one of the worlds seven natural wonders.
The Thames Barrier is about one-mile downstream of Canary Wharf in the east-end of London, between Charlton in the south and Canning Town in the north.
The Thames Barrier is approximately 520 meters (1,706 feet) long. It consists of a series of 10 movable gates that can be raised to protect London from tidal surges and flooding. The barrier was completed in 1984 and is one of the largest movable flood barriers in the world.
Yes it is, but keep in mind that all but people have their own ideas of what the worlds wonders are.
There are tunnels under the water to get from one pier to the next.
Yes, it is one of the seven natural wonders of the world
because of Hanging garden.
the hanging gardens of Babylon
Thames
Yes it is one of the wonders of the world because it is home to many unique plants and animals.
The Great Barrier Reef can be recognised as unique and iconic because it is one of the Seven Natural Wonders of the World and it is the world's largest reef and world's largest living organism.
The seven wonders of the world were chosen by how magnificent and glorious they were (also how big). For example, one of the seven wonders of the world is the Great Barrier Reef in Australia. Do you want to know how that reef got chosen? Because it's the biggest reef in the world (literally, no jokes).