The O2 Arena in London

The O2 Arena is a state-of-the-art entertainment venue located on the Greenwich Peninsula in London. Originally built in 2000 as the Millennium Dome, the structure was intended as an exhibition center to celebrate the start of the new millennium. However, it was later transformed into a music and events venue, officially opening as The O2 Arena in 2007. The arena has hosted numerous high-profile events, including concerts by some of the world's biggest music stars and sporting events such as the ATP World Tour Finals and the NBA London Games. In addition to the arena itself, the surrounding O2 complex offers a range of dining and entertainment options, making it a must-visit destination for tourists visiting London.