The Lord Mayor's Show is an annual event held in London to celebrate the inauguration of the new Lord Mayor of London. This tradition dates back over 800 years and features a grand parade through the streets of the city. The show includes various floats, marching bands, and performances, showcasing the rich history and culture of London. During the event, the new Lord Mayor takes a ceremonial journey from the City of London to the Mansion House, where they are officially sworn in. The show attracts thousands of spectators and is a vibrant display of civic pride and community spirit.