O2 Arena (Millennium Dome)

The O2 Arena, originally known as the Millennium Dome, is a large entertainment venue located in Greenwich, London. It was built to mark the turn of the millennium and opened in 2000. The structure features a distinctive white, dome-shaped roof and hosts a variety of events, including concerts, sports, and exhibitions. The O2 is one of the busiest arenas in the world, attracting millions of visitors each year. Surrounding the arena, there are restaurants and a cinema, making it a popular destination for entertainment and leisure.