Two thousand years of London in one walk, from the Romans who built the first walls, to the Vikings who raided it, to the bankers and traders who turned this one square mile into one of the most powerful patches of land on Earth. This is a private tour, just your group and a local guide, at your pace, with no fixed script. Perfect if it's your first time in London and you want the essentials without the guesswork, or if you've been before...